Home / 907,543.55-1,252,362.54-499,565.71

Finding the Fourth Proportional to 907,543.55, 1,252,362.54 and 499,565.71

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Solution

The fourth proportional to 907,543.55, 1,252,362.54 and 499,565.71 is: 689,374.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,543.55 : 1,252,362.54 = 499,565.71 : x
  2. Step 2: Convert to fraction form
    907,543.55/1,252,362.54 = 499,565.71/x
  3. Step 3: Cross multiply
    907,543.55x = 1,252,362.54 × 499,565.71
  4. Step 4: Simplify right side
    907,543.55x = 625,637,381,472.50
  5. Step 5: Solve for x
    x = 625,637,381,472.50/907,543.55
  6. Step 6: Final answer
    x = 689,374.50

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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.