Home / 788,641.20-1,182,616.20-315,169.20

Finding the Fourth Proportional to 788,641.20, 1,182,616.20 and 315,169.20

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Solution

The fourth proportional to 788,641.20, 1,182,616.20 and 315,169.20 is: 472,615.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,641.20 : 1,182,616.20 = 315,169.20 : x
  2. Step 2: Convert to fraction form
    788,641.20/1,182,616.20 = 315,169.20/x
  3. Step 3: Cross multiply
    788,641.20x = 1,182,616.20 × 315,169.20
  4. Step 4: Simplify right side
    788,641.20x = 372,724,201,661.04
  5. Step 5: Solve for x
    x = 372,724,201,661.04/788,641.20
  6. Step 6: Final answer
    x = 472,615.69

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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.