Home / 742,324.94-1,024,141.02-420,031.61

Finding the Fourth Proportional to 742,324.94, 1,024,141.02 and 420,031.61

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Solution

The fourth proportional to 742,324.94, 1,024,141.02 and 420,031.61 is: 579,492.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,324.94 : 1,024,141.02 = 420,031.61 : x
  2. Step 2: Convert to fraction form
    742,324.94/1,024,141.02 = 420,031.61/x
  3. Step 3: Cross multiply
    742,324.94x = 1,024,141.02 × 420,031.61
  4. Step 4: Simplify right side
    742,324.94x = 430,171,601,497.64
  5. Step 5: Solve for x
    x = 430,171,601,497.64/742,324.94
  6. Step 6: Final answer
    x = 579,492.32

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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.