Home / 917,293.20-1,375,939.80-243,373.20

Finding the Fourth Proportional to 917,293.20, 1,375,939.80 and 243,373.20

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Solution

The fourth proportional to 917,293.20, 1,375,939.80 and 243,373.20 is: 365,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,293.20 : 1,375,939.80 = 243,373.20 : x
  2. Step 2: Convert to fraction form
    917,293.20/1,375,939.80 = 243,373.20/x
  3. Step 3: Cross multiply
    917,293.20x = 1,375,939.80 × 243,373.20
  4. Step 4: Simplify right side
    917,293.20x = 334,866,872,133.36
  5. Step 5: Solve for x
    x = 334,866,872,133.36/917,293.20
  6. Step 6: Final answer
    x = 365,059.80

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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.