Home / 877,826.80-1,317,177.60-499,038.40

Finding the Fourth Proportional to 877,826.80, 1,317,177.60 and 499,038.40

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Solution

The fourth proportional to 877,826.80, 1,317,177.60 and 499,038.40 is: 748,806.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,826.80 : 1,317,177.60 = 499,038.40 : x
  2. Step 2: Convert to fraction form
    877,826.80/1,317,177.60 = 499,038.40/x
  3. Step 3: Cross multiply
    877,826.80x = 1,317,177.60 × 499,038.40
  4. Step 4: Simplify right side
    877,826.80x = 657,322,202,019.84
  5. Step 5: Solve for x
    x = 657,322,202,019.84/877,826.80
  6. Step 6: Final answer
    x = 748,806.26

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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.