Home / 774,035.12-1,068,137.28-429,888.80

Finding the Fourth Proportional to 774,035.12, 1,068,137.28 and 429,888.80

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Solution

The fourth proportional to 774,035.12, 1,068,137.28 and 429,888.80 is: 593,229.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,035.12 : 1,068,137.28 = 429,888.80 : x
  2. Step 2: Convert to fraction form
    774,035.12/1,068,137.28 = 429,888.80/x
  3. Step 3: Cross multiply
    774,035.12x = 1,068,137.28 × 429,888.80
  4. Step 4: Simplify right side
    774,035.12x = 459,180,253,534.46
  5. Step 5: Solve for x
    x = 459,180,253,534.46/774,035.12
  6. Step 6: Final answer
    x = 593,229.22

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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.