Home / 743,234-1,025,681.64-403,702.16

Finding the Fourth Proportional to 743,234, 1,025,681.64 and 403,702.16

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Solution

The fourth proportional to 743,234, 1,025,681.64 and 403,702.16 is: 557,119.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,234 : 1,025,681.64 = 403,702.16 : x
  2. Step 2: Convert to fraction form
    743,234/1,025,681.64 = 403,702.16/x
  3. Step 3: Cross multiply
    743,234x = 1,025,681.64 × 403,702.16
  4. Step 4: Simplify right side
    743,234x = 414,069,893,540.34
  5. Step 5: Solve for x
    x = 414,069,893,540.34/743,234
  6. Step 6: Final answer
    x = 557,119.15

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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.