Home / 898,329.70-1,347,494.55-579,465.10

Finding the Fourth Proportional to 898,329.70, 1,347,494.55 and 579,465.10

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Solution

The fourth proportional to 898,329.70, 1,347,494.55 and 579,465.10 is: 869,197.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,329.70 : 1,347,494.55 = 579,465.10 : x
  2. Step 2: Convert to fraction form
    898,329.70/1,347,494.55 = 579,465.10/x
  3. Step 3: Cross multiply
    898,329.70x = 1,347,494.55 × 579,465.10
  4. Step 4: Simplify right side
    898,329.70x = 780,826,064,165.21
  5. Step 5: Solve for x
    x = 780,826,064,165.21/898,329.70
  6. Step 6: Final answer
    x = 869,197.65

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Double scale
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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.