Home / 891,606.29-1,230,894.02-687,209.27

Finding the Fourth Proportional to 891,606.29, 1,230,894.02 and 687,209.27

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Solution

The fourth proportional to 891,606.29, 1,230,894.02 and 687,209.27 is: 948,716.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,606.29 : 1,230,894.02 = 687,209.27 : x
  2. Step 2: Convert to fraction form
    891,606.29/1,230,894.02 = 687,209.27/x
  3. Step 3: Cross multiply
    891,606.29x = 1,230,894.02 × 687,209.27
  4. Step 4: Simplify right side
    891,606.29x = 845,881,776,495.12
  5. Step 5: Solve for x
    x = 845,881,776,495.12/891,606.29
  6. Step 6: Final answer
    x = 948,716.70

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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.