Home / 816,567.71-1,225,100.67-417,488.73

Finding the Fourth Proportional to 816,567.71, 1,225,100.67 and 417,488.73

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Solution

The fourth proportional to 816,567.71, 1,225,100.67 and 417,488.73 is: 626,360.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,567.71 : 1,225,100.67 = 417,488.73 : x
  2. Step 2: Convert to fraction form
    816,567.71/1,225,100.67 = 417,488.73/x
  3. Step 3: Cross multiply
    816,567.71x = 1,225,100.67 × 417,488.73
  4. Step 4: Simplify right side
    816,567.71x = 511,465,727,094.49
  5. Step 5: Solve for x
    x = 511,465,727,094.49/816,567.71
  6. Step 6: Final answer
    x = 626,360.46

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1.5x scale

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.