Home / 971,902.17-1,341,491.73-564,135.39

Finding the Fourth Proportional to 971,902.17, 1,341,491.73 and 564,135.39

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Solution

The fourth proportional to 971,902.17, 1,341,491.73 and 564,135.39 is: 778,661.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,902.17 : 1,341,491.73 = 564,135.39 : x
  2. Step 2: Convert to fraction form
    971,902.17/1,341,491.73 = 564,135.39/x
  3. Step 3: Cross multiply
    971,902.17x = 1,341,491.73 × 564,135.39
  4. Step 4: Simplify right side
    971,902.17x = 756,782,960,285.33
  5. Step 5: Solve for x
    x = 756,782,960,285.33/971,902.17
  6. Step 6: Final answer
    x = 778,661.66

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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.