Home / 529,882.02-731,230.27-288,159.39

Finding the Fourth Proportional to 529,882.02, 731,230.27 and 288,159.39

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Solution

The fourth proportional to 529,882.02, 731,230.27 and 288,159.39 is: 397,656.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,882.02 : 731,230.27 = 288,159.39 : x
  2. Step 2: Convert to fraction form
    529,882.02/731,230.27 = 288,159.39/x
  3. Step 3: Cross multiply
    529,882.02x = 731,230.27 × 288,159.39
  4. Step 4: Simplify right side
    529,882.02x = 210,710,867,832.34
  5. Step 5: Solve for x
    x = 210,710,867,832.34/529,882.02
  6. Step 6: Final answer
    x = 397,656.19

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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.