Home / 832,139.62-1,248,244.95-326,810.11

Finding the Fourth Proportional to 832,139.62, 1,248,244.95 and 326,810.11

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Solution

The fourth proportional to 832,139.62, 1,248,244.95 and 326,810.11 is: 490,229.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,139.62 : 1,248,244.95 = 326,810.11 : x
  2. Step 2: Convert to fraction form
    832,139.62/1,248,244.95 = 326,810.11/x
  3. Step 3: Cross multiply
    832,139.62x = 1,248,244.95 × 326,810.11
  4. Step 4: Simplify right side
    832,139.62x = 407,939,069,416.44
  5. Step 5: Solve for x
    x = 407,939,069,416.44/832,139.62
  6. Step 6: Final answer
    x = 490,229.11

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Double scale
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1.5x scale

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.