Home / 748,868.49-1,033,437.29-426,578.40

Finding the Fourth Proportional to 748,868.49, 1,033,437.29 and 426,578.40

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Solution

The fourth proportional to 748,868.49, 1,033,437.29 and 426,578.40 is: 588,677.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,868.49 : 1,033,437.29 = 426,578.40 : x
  2. Step 2: Convert to fraction form
    748,868.49/1,033,437.29 = 426,578.40/x
  3. Step 3: Cross multiply
    748,868.49x = 1,033,437.29 × 426,578.40
  4. Step 4: Simplify right side
    748,868.49x = 440,842,023,535.64
  5. Step 5: Solve for x
    x = 440,842,023,535.64/748,868.49
  6. Step 6: Final answer
    x = 588,677.49

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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.