Home / 830,672.70-1,146,281.67-491,250.30

Finding the Fourth Proportional to 830,672.70, 1,146,281.67 and 491,250.30

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Solution

The fourth proportional to 830,672.70, 1,146,281.67 and 491,250.30 is: 677,897.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,672.70 : 1,146,281.67 = 491,250.30 : x
  2. Step 2: Convert to fraction form
    830,672.70/1,146,281.67 = 491,250.30/x
  3. Step 3: Cross multiply
    830,672.70x = 1,146,281.67 × 491,250.30
  4. Step 4: Simplify right side
    830,672.70x = 563,111,214,272.00
  5. Step 5: Solve for x
    x = 563,111,214,272.00/830,672.70
  6. Step 6: Final answer
    x = 677,897.82

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Double scale
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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.