Home / 749,106.93-1,123,693.22-216,681.78

Finding the Fourth Proportional to 749,106.93, 1,123,693.22 and 216,681.78

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Solution

The fourth proportional to 749,106.93, 1,123,693.22 and 216,681.78 is: 325,032.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,106.93 : 1,123,693.22 = 216,681.78 : x
  2. Step 2: Convert to fraction form
    749,106.93/1,123,693.22 = 216,681.78/x
  3. Step 3: Cross multiply
    749,106.93x = 1,123,693.22 × 216,681.78
  4. Step 4: Simplify right side
    749,106.93x = 243,483,847,083.53
  5. Step 5: Solve for x
    x = 243,483,847,083.53/749,106.93
  6. Step 6: Final answer
    x = 325,032.16

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Similar ratio
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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.