Home / 912,267.10-1,258,925.42-509,859.10

Finding the Fourth Proportional to 912,267.10, 1,258,925.42 and 509,859.10

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Solution

The fourth proportional to 912,267.10, 1,258,925.42 and 509,859.10 is: 703,603.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,267.10 : 1,258,925.42 = 509,859.10 : x
  2. Step 2: Convert to fraction form
    912,267.10/1,258,925.42 = 509,859.10/x
  3. Step 3: Cross multiply
    912,267.10x = 1,258,925.42 × 509,859.10
  4. Step 4: Simplify right side
    912,267.10x = 641,874,581,608.32
  5. Step 5: Solve for x
    x = 641,874,581,608.32/912,267.10
  6. Step 6: Final answer
    x = 703,603.78

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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.