Home / 506,280.36-698,800.95-315,180.30

Finding the Fourth Proportional to 506,280.36, 698,800.95 and 315,180.30

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Solution

The fourth proportional to 506,280.36, 698,800.95 and 315,180.30 is: 435,032.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,280.36 : 698,800.95 = 315,180.30 : x
  2. Step 2: Convert to fraction form
    506,280.36/698,800.95 = 315,180.30/x
  3. Step 3: Cross multiply
    506,280.36x = 698,800.95 × 315,180.30
  4. Step 4: Simplify right side
    506,280.36x = 220,248,293,061.29
  5. Step 5: Solve for x
    x = 220,248,293,061.29/506,280.36
  6. Step 6: Final answer
    x = 435,032.27

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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.