Home / 665,531.59-918,433.88-363,725.59

Finding the Fourth Proportional to 665,531.59, 918,433.88 and 363,725.59

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Solution

The fourth proportional to 665,531.59, 918,433.88 and 363,725.59 is: 501,941.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,531.59 : 918,433.88 = 363,725.59 : x
  2. Step 2: Convert to fraction form
    665,531.59/918,433.88 = 363,725.59/x
  3. Step 3: Cross multiply
    665,531.59x = 918,433.88 × 363,725.59
  4. Step 4: Simplify right side
    665,531.59x = 334,057,904,878.99
  5. Step 5: Solve for x
    x = 334,057,904,878.99/665,531.59
  6. Step 6: Final answer
    x = 501,941.47

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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.