Home / 529,270.20-730,380.24-287,547.30

Finding the Fourth Proportional to 529,270.20, 730,380.24 and 287,547.30

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Solution

The fourth proportional to 529,270.20, 730,380.24 and 287,547.30 is: 396,808.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,270.20 : 730,380.24 = 287,547.30 : x
  2. Step 2: Convert to fraction form
    529,270.20/730,380.24 = 287,547.30/x
  3. Step 3: Cross multiply
    529,270.20x = 730,380.24 × 287,547.30
  4. Step 4: Simplify right side
    529,270.20x = 210,018,865,985.35
  5. Step 5: Solve for x
    x = 210,018,865,985.35/529,270.20
  6. Step 6: Final answer
    x = 396,808.41

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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.