Home / 963,965.12-1,445,947.59-424,221.40

Finding the Fourth Proportional to 963,965.12, 1,445,947.59 and 424,221.40

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Solution

The fourth proportional to 963,965.12, 1,445,947.59 and 424,221.40 is: 636,332.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,965.12 : 1,445,947.59 = 424,221.40 : x
  2. Step 2: Convert to fraction form
    963,965.12/1,445,947.59 = 424,221.40/x
  3. Step 3: Cross multiply
    963,965.12x = 1,445,947.59 × 424,221.40
  4. Step 4: Simplify right side
    963,965.12x = 613,401,910,956.43
  5. Step 5: Solve for x
    x = 613,401,910,956.43/963,965.12
  6. Step 6: Final answer
    x = 636,332.06

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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.