Home / 788,657.80-1,182,986.70-473,470.60

Finding the Fourth Proportional to 788,657.80, 1,182,986.70 and 473,470.60

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Solution

The fourth proportional to 788,657.80, 1,182,986.70 and 473,470.60 is: 710,205.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,657.80 : 1,182,986.70 = 473,470.60 : x
  2. Step 2: Convert to fraction form
    788,657.80/1,182,986.70 = 473,470.60/x
  3. Step 3: Cross multiply
    788,657.80x = 1,182,986.70 × 473,470.60
  4. Step 4: Simplify right side
    788,657.80x = 560,109,422,641.02
  5. Step 5: Solve for x
    x = 560,109,422,641.02/788,657.80
  6. Step 6: Final answer
    x = 710,205.90

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.