Home / 747,314.59-1,121,159.63-214,836.58

Finding the Fourth Proportional to 747,314.59, 1,121,159.63 and 214,836.58

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Solution

The fourth proportional to 747,314.59, 1,121,159.63 and 214,836.58 is: 322,308.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,314.59 : 1,121,159.63 = 214,836.58 : x
  2. Step 2: Convert to fraction form
    747,314.59/1,121,159.63 = 214,836.58/x
  3. Step 3: Cross multiply
    747,314.59x = 1,121,159.63 × 214,836.58
  4. Step 4: Simplify right side
    747,314.59x = 240,866,100,543.27
  5. Step 5: Solve for x
    x = 240,866,100,543.27/747,314.59
  6. Step 6: Final answer
    x = 322,308.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.