Home / 529,433.25-730,622.56-287,715.83

Finding the Fourth Proportional to 529,433.25, 730,622.56 and 287,715.83

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Solution

The fourth proportional to 529,433.25, 730,622.56 and 287,715.83 is: 397,050.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,433.25 : 730,622.56 = 287,715.83 : x
  2. Step 2: Convert to fraction form
    529,433.25/730,622.56 = 287,715.83/x
  3. Step 3: Cross multiply
    529,433.25x = 730,622.56 × 287,715.83
  4. Step 4: Simplify right side
    529,433.25x = 210,211,676,267.13
  5. Step 5: Solve for x
    x = 210,211,676,267.13/529,433.25
  6. Step 6: Final answer
    x = 397,050.39

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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.