Home / 731,263.64-1,097,155.25-326,419.16

Finding the Fourth Proportional to 731,263.64, 1,097,155.25 and 326,419.16

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Solution

The fourth proportional to 731,263.64, 1,097,155.25 and 326,419.16 is: 489,744.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,263.64 : 1,097,155.25 = 326,419.16 : x
  2. Step 2: Convert to fraction form
    731,263.64/1,097,155.25 = 326,419.16/x
  3. Step 3: Cross multiply
    731,263.64x = 1,097,155.25 × 326,419.16
  4. Step 4: Simplify right side
    731,263.64x = 358,132,487,976.72
  5. Step 5: Solve for x
    x = 358,132,487,976.72/731,263.64
  6. Step 6: Final answer
    x = 489,744.70

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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.