Home / 529,702.29-730,985.52-287,984.85

Finding the Fourth Proportional to 529,702.29, 730,985.52 and 287,984.85

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Solution

The fourth proportional to 529,702.29, 730,985.52 and 287,984.85 is: 397,417.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,702.29 : 730,985.52 = 287,984.85 : x
  2. Step 2: Convert to fraction form
    529,702.29/730,985.52 = 287,984.85/x
  3. Step 3: Cross multiply
    529,702.29x = 730,985.52 × 287,984.85
  4. Step 4: Simplify right side
    529,702.29x = 210,512,755,329.37
  5. Step 5: Solve for x
    x = 210,512,755,329.37/529,702.29
  6. Step 6: Final answer
    x = 397,417.11

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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.