Home / 901,377.18-1,243,900.80-498,969.18

Finding the Fourth Proportional to 901,377.18, 1,243,900.80 and 498,969.18

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Solution

The fourth proportional to 901,377.18, 1,243,900.80 and 498,969.18 is: 688,577.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,377.18 : 1,243,900.80 = 498,969.18 : x
  2. Step 2: Convert to fraction form
    901,377.18/1,243,900.80 = 498,969.18/x
  3. Step 3: Cross multiply
    901,377.18x = 1,243,900.80 × 498,969.18
  4. Step 4: Simplify right side
    901,377.18x = 620,668,162,177.34
  5. Step 5: Solve for x
    x = 620,668,162,177.34/901,377.18
  6. Step 6: Final answer
    x = 688,577.63

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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.