Home / 774,587.32-1,068,909.18-430,414.36

Finding the Fourth Proportional to 774,587.32, 1,068,909.18 and 430,414.36

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Solution

The fourth proportional to 774,587.32, 1,068,909.18 and 430,414.36 is: 593,959.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,587.32 : 1,068,909.18 = 430,414.36 : x
  2. Step 2: Convert to fraction form
    774,587.32/1,068,909.18 = 430,414.36/x
  3. Step 3: Cross multiply
    774,587.32x = 1,068,909.18 × 430,414.36
  4. Step 4: Simplify right side
    774,587.32x = 460,073,860,607.83
  5. Step 5: Solve for x
    x = 460,073,860,607.83/774,587.32
  6. Step 6: Final answer
    x = 593,959.97

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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.