Home / 767,701.25-1,059,421.80-423,551.69

Finding the Fourth Proportional to 767,701.25, 1,059,421.80 and 423,551.69

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Solution

The fourth proportional to 767,701.25, 1,059,421.80 and 423,551.69 is: 584,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,701.25 : 1,059,421.80 = 423,551.69 : x
  2. Step 2: Convert to fraction form
    767,701.25/1,059,421.80 = 423,551.69/x
  3. Step 3: Cross multiply
    767,701.25x = 1,059,421.80 × 423,551.69
  4. Step 4: Simplify right side
    767,701.25x = 448,719,888,515.73
  5. Step 5: Solve for x
    x = 448,719,888,515.73/767,701.25
  6. Step 6: Final answer
    x = 584,498.05

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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.