Home / 983,423.80-1,475,135.70-650,999.80

Finding the Fourth Proportional to 983,423.80, 1,475,135.70 and 650,999.80

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Solution

The fourth proportional to 983,423.80, 1,475,135.70 and 650,999.80 is: 976,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,423.80 : 1,475,135.70 = 650,999.80 : x
  2. Step 2: Convert to fraction form
    983,423.80/1,475,135.70 = 650,999.80/x
  3. Step 3: Cross multiply
    983,423.80x = 1,475,135.70 × 650,999.80
  4. Step 4: Simplify right side
    983,423.80x = 960,313,045,672.86
  5. Step 5: Solve for x
    x = 960,313,045,672.86/983,423.80
  6. Step 6: Final answer
    x = 976,499.70

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Similar ratio
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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.