Home / 529,883.02-731,231.65-288,160.39

Finding the Fourth Proportional to 529,883.02, 731,231.65 and 288,160.39

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Solution

The fourth proportional to 529,883.02, 731,231.65 and 288,160.39 is: 397,657.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,883.02 : 731,231.65 = 288,160.39 : x
  2. Step 2: Convert to fraction form
    529,883.02/731,231.65 = 288,160.39/x
  3. Step 3: Cross multiply
    529,883.02x = 731,231.65 × 288,160.39
  4. Step 4: Simplify right side
    529,883.02x = 210,711,997,444.34
  5. Step 5: Solve for x
    x = 210,711,997,444.34/529,883.02
  6. Step 6: Final answer
    x = 397,657.58

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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.