Home / 787,854.60-1,087,194.76-465,594.68

Finding the Fourth Proportional to 787,854.60, 1,087,194.76 and 465,594.68

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Solution

The fourth proportional to 787,854.60, 1,087,194.76 and 465,594.68 is: 642,494.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,854.60 : 1,087,194.76 = 465,594.68 : x
  2. Step 2: Convert to fraction form
    787,854.60/1,087,194.76 = 465,594.68/x
  3. Step 3: Cross multiply
    787,854.60x = 1,087,194.76 × 465,594.68
  4. Step 4: Simplify right side
    787,854.60x = 506,192,097,933.88
  5. Step 5: Solve for x
    x = 506,192,097,933.88/787,854.60
  6. Step 6: Final answer
    x = 642,494.31

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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.