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Finding the Fourth Proportional to 659,938.37, 910,714.93 and 358,132.37

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Solution

The fourth proportional to 659,938.37, 910,714.93 and 358,132.37 is: 494,222.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,938.37 : 910,714.93 = 358,132.37 : x
  2. Step 2: Convert to fraction form
    659,938.37/910,714.93 = 358,132.37/x
  3. Step 3: Cross multiply
    659,938.37x = 910,714.93 × 358,132.37
  4. Step 4: Simplify right side
    659,938.37x = 326,156,496,275.28
  5. Step 5: Solve for x
    x = 326,156,496,275.28/659,938.37
  6. Step 6: Final answer
    x = 494,222.66

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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.