Home / 632,411.92-872,483.34-402,928.12

Finding the Fourth Proportional to 632,411.92, 872,483.34 and 402,928.12

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Solution

The fourth proportional to 632,411.92, 872,483.34 and 402,928.12 is: 555,884.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,411.92 : 872,483.34 = 402,928.12 : x
  2. Step 2: Convert to fraction form
    632,411.92/872,483.34 = 402,928.12/x
  3. Step 3: Cross multiply
    632,411.92x = 872,483.34 × 402,928.12
  4. Step 4: Simplify right side
    632,411.92x = 351,548,071,917.52
  5. Step 5: Solve for x
    x = 351,548,071,917.52/632,411.92
  6. Step 6: Final answer
    x = 555,884.64

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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.