Home / 880,913.80-1,321,808.10-502,125.40

Finding the Fourth Proportional to 880,913.80, 1,321,808.10 and 502,125.40

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Solution

The fourth proportional to 880,913.80, 1,321,808.10 and 502,125.40 is: 753,437.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,913.80 : 1,321,808.10 = 502,125.40 : x
  2. Step 2: Convert to fraction form
    880,913.80/1,321,808.10 = 502,125.40/x
  3. Step 3: Cross multiply
    880,913.80x = 1,321,808.10 × 502,125.40
  4. Step 4: Simplify right side
    880,913.80x = 663,713,420,935.74
  5. Step 5: Solve for x
    x = 663,713,420,935.74/880,913.80
  6. Step 6: Final answer
    x = 753,437.42

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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.