Home / 971,808.30-1,341,097.62-542,116.26

Finding the Fourth Proportional to 971,808.30, 1,341,097.62 and 542,116.26

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Solution

The fourth proportional to 971,808.30, 1,341,097.62 and 542,116.26 is: 748,121.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,808.30 : 1,341,097.62 = 542,116.26 : x
  2. Step 2: Convert to fraction form
    971,808.30/1,341,097.62 = 542,116.26/x
  3. Step 3: Cross multiply
    971,808.30x = 1,341,097.62 × 542,116.26
  4. Step 4: Simplify right side
    971,808.30x = 727,030,823,338.72
  5. Step 5: Solve for x
    x = 727,030,823,338.72/971,808.30
  6. Step 6: Final answer
    x = 748,121.64

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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.