Home / 922,904.20-1,384,356.30-686,708.20

Finding the Fourth Proportional to 922,904.20, 1,384,356.30 and 686,708.20

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Solution

The fourth proportional to 922,904.20, 1,384,356.30 and 686,708.20 is: 1,030,062.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,904.20 : 1,384,356.30 = 686,708.20 : x
  2. Step 2: Convert to fraction form
    922,904.20/1,384,356.30 = 686,708.20/x
  3. Step 3: Cross multiply
    922,904.20x = 1,384,356.30 × 686,708.20
  4. Step 4: Simplify right side
    922,904.20x = 950,648,822,931.66
  5. Step 5: Solve for x
    x = 950,648,822,931.66/922,904.20
  6. Step 6: Final answer
    x = 1,030,062.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.