Home / 778,726.96-1,074,641.18-434,559.30

Finding the Fourth Proportional to 778,726.96, 1,074,641.18 and 434,559.30

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Solution

The fourth proportional to 778,726.96, 1,074,641.18 and 434,559.30 is: 599,690.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,726.96 : 1,074,641.18 = 434,559.30 : x
  2. Step 2: Convert to fraction form
    778,726.96/1,074,641.18 = 434,559.30/x
  3. Step 3: Cross multiply
    778,726.96x = 1,074,641.18 × 434,559.30
  4. Step 4: Simplify right side
    778,726.96x = 466,995,318,931.97
  5. Step 5: Solve for x
    x = 466,995,318,931.97/778,726.96
  6. Step 6: Final answer
    x = 599,690.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.