Home / 997,402.54-1,498,318.15-618,603.21

Finding the Fourth Proportional to 997,402.54, 1,498,318.15 and 618,603.21

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Solution

The fourth proportional to 997,402.54, 1,498,318.15 and 618,603.21 is: 929,278.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,402.54 : 1,498,318.15 = 618,603.21 : x
  2. Step 2: Convert to fraction form
    997,402.54/1,498,318.15 = 618,603.21/x
  3. Step 3: Cross multiply
    997,402.54x = 1,498,318.15 × 618,603.21
  4. Step 4: Simplify right side
    997,402.54x = 926,864,409,699.67
  5. Step 5: Solve for x
    x = 926,864,409,699.67/997,402.54
  6. Step 6: Final answer
    x = 929,278.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.