Home / 875,577.30-1,312,393.95-342,921.30

Finding the Fourth Proportional to 875,577.30, 1,312,393.95 and 342,921.30

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Solution

The fourth proportional to 875,577.30, 1,312,393.95 and 342,921.30 is: 514,001.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,577.30 : 1,312,393.95 = 342,921.30 : x
  2. Step 2: Convert to fraction form
    875,577.30/1,312,393.95 = 342,921.30/x
  3. Step 3: Cross multiply
    875,577.30x = 1,312,393.95 × 342,921.30
  4. Step 4: Simplify right side
    875,577.30x = 450,047,839,446.14
  5. Step 5: Solve for x
    x = 450,047,839,446.14/875,577.30
  6. Step 6: Final answer
    x = 514,001.26

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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.