Home / 875,246.10-1,312,091.55-519,882.90

Finding the Fourth Proportional to 875,246.10, 1,312,091.55 and 519,882.90

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Solution

The fourth proportional to 875,246.10, 1,312,091.55 and 519,882.90 is: 779,362.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,246.10 : 1,312,091.55 = 519,882.90 : x
  2. Step 2: Convert to fraction form
    875,246.10/1,312,091.55 = 519,882.90/x
  3. Step 3: Cross multiply
    875,246.10x = 1,312,091.55 × 519,882.90
  4. Step 4: Simplify right side
    875,246.10x = 682,133,960,079.50
  5. Step 5: Solve for x
    x = 682,133,960,079.50/875,246.10
  6. Step 6: Final answer
    x = 779,362.47

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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.