Home / 626,432.13-864,467.15-368,338.23

Finding the Fourth Proportional to 626,432.13, 864,467.15 and 368,338.23

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Solution

The fourth proportional to 626,432.13, 864,467.15 and 368,338.23 is: 508,301.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,432.13 : 864,467.15 = 368,338.23 : x
  2. Step 2: Convert to fraction form
    626,432.13/864,467.15 = 368,338.23/x
  3. Step 3: Cross multiply
    626,432.13x = 864,467.15 × 368,338.23
  4. Step 4: Simplify right side
    626,432.13x = 318,416,298,082.45
  5. Step 5: Solve for x
    x = 318,416,298,082.45/626,432.13
  6. Step 6: Final answer
    x = 508,301.35

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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.