Home / 979,507.77-1,351,646.57-549,704.87

Finding the Fourth Proportional to 979,507.77, 1,351,646.57 and 549,704.87

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Solution

The fourth proportional to 979,507.77, 1,351,646.57 and 549,704.87 is: 758,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,507.77 : 1,351,646.57 = 549,704.87 : x
  2. Step 2: Convert to fraction form
    979,507.77/1,351,646.57 = 549,704.87/x
  3. Step 3: Cross multiply
    979,507.77x = 1,351,646.57 × 549,704.87
  4. Step 4: Simplify right side
    979,507.77x = 743,006,692,541.04
  5. Step 5: Solve for x
    x = 743,006,692,541.04/979,507.77
  6. Step 6: Final answer
    x = 758,551.10

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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.