Home / 578,042.70-867,064.05-554,423.10

Finding the Fourth Proportional to 578,042.70, 867,064.05 and 554,423.10

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Solution

The fourth proportional to 578,042.70, 867,064.05 and 554,423.10 is: 831,634.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,042.70 : 867,064.05 = 554,423.10 : x
  2. Step 2: Convert to fraction form
    578,042.70/867,064.05 = 554,423.10/x
  3. Step 3: Cross multiply
    578,042.70x = 867,064.05 × 554,423.10
  4. Step 4: Simplify right side
    578,042.70x = 480,720,338,499.56
  5. Step 5: Solve for x
    x = 480,720,338,499.56/578,042.70
  6. Step 6: Final answer
    x = 831,634.65

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Double scale
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Similar ratio
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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.