Home / 875,921.80-1,314,320.10-497,133.40

Finding the Fourth Proportional to 875,921.80, 1,314,320.10 and 497,133.40

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Solution

The fourth proportional to 875,921.80, 1,314,320.10 and 497,133.40 is: 745,948.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,921.80 : 1,314,320.10 = 497,133.40 : x
  2. Step 2: Convert to fraction form
    875,921.80/1,314,320.10 = 497,133.40/x
  3. Step 3: Cross multiply
    875,921.80x = 1,314,320.10 × 497,133.40
  4. Step 4: Simplify right side
    875,921.80x = 653,392,420,001.34
  5. Step 5: Solve for x
    x = 653,392,420,001.34/875,921.80
  6. Step 6: Final answer
    x = 745,948.35

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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.