Home / 971,990.13-1,341,850.69-710,051.30

Finding the Fourth Proportional to 971,990.13, 1,341,850.69 and 710,051.30

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Solution

The fourth proportional to 971,990.13, 1,341,850.69 and 710,051.30 is: 980,239.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,990.13 : 1,341,850.69 = 710,051.30 : x
  2. Step 2: Convert to fraction form
    971,990.13/1,341,850.69 = 710,051.30/x
  3. Step 3: Cross multiply
    971,990.13x = 1,341,850.69 × 710,051.30
  4. Step 4: Simplify right side
    971,990.13x = 952,782,821,722.37
  5. Step 5: Solve for x
    x = 952,782,821,722.37/971,990.13
  6. Step 6: Final answer
    x = 980,239.20

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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.