Home / 816,567.25-1,225,099.95-417,488.20

Finding the Fourth Proportional to 816,567.25, 1,225,099.95 and 417,488.20

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Solution

The fourth proportional to 816,567.25, 1,225,099.95 and 417,488.20 is: 626,359.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,567.25 : 1,225,099.95 = 417,488.20 : x
  2. Step 2: Convert to fraction form
    816,567.25/1,225,099.95 = 417,488.20/x
  3. Step 3: Cross multiply
    816,567.25x = 1,225,099.95 × 417,488.20
  4. Step 4: Simplify right side
    816,567.25x = 511,464,772,945.59
  5. Step 5: Solve for x
    x = 511,464,772,945.59/816,567.25
  6. Step 6: Final answer
    x = 626,359.65

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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.