Home / 907,545.49-1,252,365.22-499,567.64

Finding the Fourth Proportional to 907,545.49, 1,252,365.22 and 499,567.64

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Solution

The fourth proportional to 907,545.49, 1,252,365.22 and 499,567.64 is: 689,377.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,545.49 : 1,252,365.22 = 499,567.64 : x
  2. Step 2: Convert to fraction form
    907,545.49/1,252,365.22 = 499,567.64/x
  3. Step 3: Cross multiply
    907,545.49x = 1,252,365.22 × 499,567.64
  4. Step 4: Simplify right side
    907,545.49x = 625,641,137,373.48
  5. Step 5: Solve for x
    x = 625,641,137,373.48/907,545.49
  6. Step 6: Final answer
    x = 689,377.17

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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.