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Finding the Fourth Proportional to 530,644.62, 732,303.54 and 288,937.38

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Solution

The fourth proportional to 530,644.62, 732,303.54 and 288,937.38 is: 398,741.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,644.62 : 732,303.54 = 288,937.38 : x
  2. Step 2: Convert to fraction form
    530,644.62/732,303.54 = 288,937.38/x
  3. Step 3: Cross multiply
    530,644.62x = 732,303.54 × 288,937.38
  4. Step 4: Simplify right side
    530,644.62x = 211,589,866,212.33
  5. Step 5: Solve for x
    x = 211,589,866,212.33/530,644.62
  6. Step 6: Final answer
    x = 398,741.19

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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.