Home / 934,758.70-1,402,138.05-578,617.90

Finding the Fourth Proportional to 934,758.70, 1,402,138.05 and 578,617.90

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Solution

The fourth proportional to 934,758.70, 1,402,138.05 and 578,617.90 is: 867,926.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,758.70 : 1,402,138.05 = 578,617.90 : x
  2. Step 2: Convert to fraction form
    934,758.70/1,402,138.05 = 578,617.90/x
  3. Step 3: Cross multiply
    934,758.70x = 1,402,138.05 × 578,617.90
  4. Step 4: Simplify right side
    934,758.70x = 811,302,174,001.10
  5. Step 5: Solve for x
    x = 811,302,174,001.10/934,758.70
  6. Step 6: Final answer
    x = 867,926.85

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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.