Home / 529,726.96-731,037.54-288,025.76

Finding the Fourth Proportional to 529,726.96, 731,037.54 and 288,025.76

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Solution

The fourth proportional to 529,726.96, 731,037.54 and 288,025.76 is: 397,483.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,726.96 : 731,037.54 = 288,025.76 : x
  2. Step 2: Convert to fraction form
    529,726.96/731,037.54 = 288,025.76/x
  3. Step 3: Cross multiply
    529,726.96x = 731,037.54 × 288,025.76
  4. Step 4: Simplify right side
    529,726.96x = 210,557,643,047.03
  5. Step 5: Solve for x
    x = 210,557,643,047.03/529,726.96
  6. Step 6: Final answer
    x = 397,483.34

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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.