Home / 887,150.07-1,224,265.79-505,176.95

Finding the Fourth Proportional to 887,150.07, 1,224,265.79 and 505,176.95

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Solution

The fourth proportional to 887,150.07, 1,224,265.79 and 505,176.95 is: 697,143.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,150.07 : 1,224,265.79 = 505,176.95 : x
  2. Step 2: Convert to fraction form
    887,150.07/1,224,265.79 = 505,176.95/x
  3. Step 3: Cross multiply
    887,150.07x = 1,224,265.79 × 505,176.95
  4. Step 4: Simplify right side
    887,150.07x = 618,470,862,105.15
  5. Step 5: Solve for x
    x = 618,470,862,105.15/887,150.07
  6. Step 6: Final answer
    x = 697,143.45

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1.5x scale

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.