Home / 903,909.71-1,247,472.88-496,090.39

Finding the Fourth Proportional to 903,909.71, 1,247,472.88 and 496,090.39

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Solution

The fourth proportional to 903,909.71, 1,247,472.88 and 496,090.39 is: 684,647.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,909.71 : 1,247,472.88 = 496,090.39 : x
  2. Step 2: Convert to fraction form
    903,909.71/1,247,472.88 = 496,090.39/x
  3. Step 3: Cross multiply
    903,909.71x = 1,247,472.88 × 496,090.39
  4. Step 4: Simplify right side
    903,909.71x = 618,859,307,553.62
  5. Step 5: Solve for x
    x = 618,859,307,553.62/903,909.71
  6. Step 6: Final answer
    x = 684,647.26

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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.