Home / 971,114.12-1,340,208.42-563,355.26

Finding the Fourth Proportional to 971,114.12, 1,340,208.42 and 563,355.26

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Solution

The fourth proportional to 971,114.12, 1,340,208.42 and 563,355.26 is: 777,471.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,114.12 : 1,340,208.42 = 563,355.26 : x
  2. Step 2: Convert to fraction form
    971,114.12/1,340,208.42 = 563,355.26/x
  3. Step 3: Cross multiply
    971,114.12x = 1,340,208.42 × 563,355.26
  4. Step 4: Simplify right side
    971,114.12x = 755,013,462,903.29
  5. Step 5: Solve for x
    x = 755,013,462,903.29/971,114.12
  6. Step 6: Final answer
    x = 777,471.41

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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.