Home / 790,607.13-1,091,037.18-428,034.12

Finding the Fourth Proportional to 790,607.13, 1,091,037.18 and 428,034.12

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Solution

The fourth proportional to 790,607.13, 1,091,037.18 and 428,034.12 is: 590,686.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,607.13 : 1,091,037.18 = 428,034.12 : x
  2. Step 2: Convert to fraction form
    790,607.13/1,091,037.18 = 428,034.12/x
  3. Step 3: Cross multiply
    790,607.13x = 1,091,037.18 × 428,034.12
  4. Step 4: Simplify right side
    790,607.13x = 467,001,139,228.58
  5. Step 5: Solve for x
    x = 467,001,139,228.58/790,607.13
  6. Step 6: Final answer
    x = 590,686.73

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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.