Home / 880,140.33-1,214,622.54-498,158.91

Finding the Fourth Proportional to 880,140.33, 1,214,622.54 and 498,158.91

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Solution

The fourth proportional to 880,140.33, 1,214,622.54 and 498,158.91 is: 687,475.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,140.33 : 1,214,622.54 = 498,158.91 : x
  2. Step 2: Convert to fraction form
    880,140.33/1,214,622.54 = 498,158.91/x
  3. Step 3: Cross multiply
    880,140.33x = 1,214,622.54 × 498,158.91
  4. Step 4: Simplify right side
    880,140.33x = 605,075,040,587.83
  5. Step 5: Solve for x
    x = 605,075,040,587.83/880,140.33
  6. Step 6: Final answer
    x = 687,475.64

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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.