Home / 713,293.20-1,069,691.67-286,702.38

Finding the Fourth Proportional to 713,293.20, 1,069,691.67 and 286,702.38

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Solution

The fourth proportional to 713,293.20, 1,069,691.67 and 286,702.38 is: 429,953.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,293.20 : 1,069,691.67 = 286,702.38 : x
  2. Step 2: Convert to fraction form
    713,293.20/1,069,691.67 = 286,702.38/x
  3. Step 3: Cross multiply
    713,293.20x = 1,069,691.67 × 286,702.38
  4. Step 4: Simplify right side
    713,293.20x = 306,683,147,655.18
  5. Step 5: Solve for x
    x = 306,683,147,655.18/713,293.20
  6. Step 6: Final answer
    x = 429,953.84

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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.