Home / 745,590.98-1,028,944.68-423,331.10

Finding the Fourth Proportional to 745,590.98, 1,028,944.68 and 423,331.10

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Solution

The fourth proportional to 745,590.98, 1,028,944.68 and 423,331.10 is: 584,213.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,590.98 : 1,028,944.68 = 423,331.10 : x
  2. Step 2: Convert to fraction form
    745,590.98/1,028,944.68 = 423,331.10/x
  3. Step 3: Cross multiply
    745,590.98x = 1,028,944.68 × 423,331.10
  4. Step 4: Simplify right side
    745,590.98x = 435,584,283,223.55
  5. Step 5: Solve for x
    x = 435,584,283,223.55/745,590.98
  6. Step 6: Final answer
    x = 584,213.46

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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.