Home / 917,080.14-1,263,488.78-709,635.24

Finding the Fourth Proportional to 917,080.14, 1,263,488.78 and 709,635.24

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Solution

The fourth proportional to 917,080.14, 1,263,488.78 and 709,635.24 is: 977,685.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,080.14 : 1,263,488.78 = 709,635.24 : x
  2. Step 2: Convert to fraction form
    917,080.14/1,263,488.78 = 709,635.24/x
  3. Step 3: Cross multiply
    917,080.14x = 1,263,488.78 × 709,635.24
  4. Step 4: Simplify right side
    917,080.14x = 896,616,163,632.61
  5. Step 5: Solve for x
    x = 896,616,163,632.61/917,080.14
  6. Step 6: Final answer
    x = 977,685.73

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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.