Home / 529,983.04-731,381.88-288,271.24

Finding the Fourth Proportional to 529,983.04, 731,381.88 and 288,271.24

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Solution

The fourth proportional to 529,983.04, 731,381.88 and 288,271.24 is: 397,817.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,983.04 : 731,381.88 = 288,271.24 : x
  2. Step 2: Convert to fraction form
    529,983.04/731,381.88 = 288,271.24/x
  3. Step 3: Cross multiply
    529,983.04x = 731,381.88 × 288,271.24
  4. Step 4: Simplify right side
    529,983.04x = 210,836,361,461.13
  5. Step 5: Solve for x
    x = 210,836,361,461.13/529,983.04
  6. Step 6: Final answer
    x = 397,817.19

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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.