Home / 971,756.79-1,340,727.15-563,717.26

Finding the Fourth Proportional to 971,756.79, 1,340,727.15 and 563,717.26

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Solution

The fourth proportional to 971,756.79, 1,340,727.15 and 563,717.26 is: 777,757.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,756.79 : 1,340,727.15 = 563,717.26 : x
  2. Step 2: Convert to fraction form
    971,756.79/1,340,727.15 = 563,717.26/x
  3. Step 3: Cross multiply
    971,756.79x = 1,340,727.15 × 563,717.26
  4. Step 4: Simplify right side
    971,756.79x = 755,791,035,405.61
  5. Step 5: Solve for x
    x = 755,791,035,405.61/971,756.79
  6. Step 6: Final answer
    x = 777,757.40

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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.