Home / 742,234.08-1,024,283.10-402,702.36

Finding the Fourth Proportional to 742,234.08, 1,024,283.10 and 402,702.36

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Solution

The fourth proportional to 742,234.08, 1,024,283.10 and 402,702.36 is: 555,729.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,234.08 : 1,024,283.10 = 402,702.36 : x
  2. Step 2: Convert to fraction form
    742,234.08/1,024,283.10 = 402,702.36/x
  3. Step 3: Cross multiply
    742,234.08x = 1,024,283.10 × 402,702.36
  4. Step 4: Simplify right side
    742,234.08x = 412,481,221,678.12
  5. Step 5: Solve for x
    x = 412,481,221,678.12/742,234.08
  6. Step 6: Final answer
    x = 555,729.29

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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.