Home / 778,160.28-1,073,863.09-434,018.50

Finding the Fourth Proportional to 778,160.28, 1,073,863.09 and 434,018.50

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Solution

The fourth proportional to 778,160.28, 1,073,863.09 and 434,018.50 is: 598,946.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,160.28 : 1,073,863.09 = 434,018.50 : x
  2. Step 2: Convert to fraction form
    778,160.28/1,073,863.09 = 434,018.50/x
  3. Step 3: Cross multiply
    778,160.28x = 1,073,863.09 × 434,018.50
  4. Step 4: Simplify right side
    778,160.28x = 466,076,452,646.19
  5. Step 5: Solve for x
    x = 466,076,452,646.19/778,160.28
  6. Step 6: Final answer
    x = 598,946.60

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Double scale
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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.