Home / 558,338.48-771,296.28-432,635.12

Finding the Fourth Proportional to 558,338.48, 771,296.28 and 432,635.12

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Solution

The fourth proportional to 558,338.48, 771,296.28 and 432,635.12 is: 597,647.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,338.48 : 771,296.28 = 432,635.12 : x
  2. Step 2: Convert to fraction form
    558,338.48/771,296.28 = 432,635.12/x
  3. Step 3: Cross multiply
    558,338.48x = 771,296.28 × 432,635.12
  4. Step 4: Simplify right side
    558,338.48x = 333,689,858,653.35
  5. Step 5: Solve for x
    x = 333,689,858,653.35/558,338.48
  6. Step 6: Final answer
    x = 597,647.97

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.