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Finding the Fourth Proportional to 659,707.58, 910,398.22 and 357,901.58

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Solution

The fourth proportional to 659,707.58, 910,398.22 and 357,901.58 is: 493,905.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,707.58 : 910,398.22 = 357,901.58 : x
  2. Step 2: Convert to fraction form
    659,707.58/910,398.22 = 357,901.58/x
  3. Step 3: Cross multiply
    659,707.58x = 910,398.22 × 357,901.58
  4. Step 4: Simplify right side
    659,707.58x = 325,832,961,367.19
  5. Step 5: Solve for x
    x = 325,832,961,367.19/659,707.58
  6. Step 6: Final answer
    x = 493,905.14

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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.