Home / 788,501.60-1,182,752.40-611,554.40

Finding the Fourth Proportional to 788,501.60, 1,182,752.40 and 611,554.40

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Solution

The fourth proportional to 788,501.60, 1,182,752.40 and 611,554.40 is: 917,331.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,501.60 : 1,182,752.40 = 611,554.40 : x
  2. Step 2: Convert to fraction form
    788,501.60/1,182,752.40 = 611,554.40/x
  3. Step 3: Cross multiply
    788,501.60x = 1,182,752.40 × 611,554.40
  4. Step 4: Simplify right side
    788,501.60x = 723,317,434,330.56
  5. Step 5: Solve for x
    x = 723,317,434,330.56/788,501.60
  6. Step 6: Final answer
    x = 917,331.60

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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.