Home / 790,099.32-1,090,329.16-427,515.24

Finding the Fourth Proportional to 790,099.32, 1,090,329.16 and 427,515.24

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Solution

The fourth proportional to 790,099.32, 1,090,329.16 and 427,515.24 is: 589,966.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,099.32 : 1,090,329.16 = 427,515.24 : x
  2. Step 2: Convert to fraction form
    790,099.32/1,090,329.16 = 427,515.24/x
  3. Step 3: Cross multiply
    790,099.32x = 1,090,329.16 × 427,515.24
  4. Step 4: Simplify right side
    790,099.32x = 466,132,332,516.40
  5. Step 5: Solve for x
    x = 466,132,332,516.40/790,099.32
  6. Step 6: Final answer
    x = 589,966.76

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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.