Home / 774,855.76-1,069,251.96-452,657.20

Finding the Fourth Proportional to 774,855.76, 1,069,251.96 and 452,657.20

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Solution

The fourth proportional to 774,855.76, 1,069,251.96 and 452,657.20 is: 624,638.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,855.76 : 1,069,251.96 = 452,657.20 : x
  2. Step 2: Convert to fraction form
    774,855.76/1,069,251.96 = 452,657.20/x
  3. Step 3: Cross multiply
    774,855.76x = 1,069,251.96 × 452,657.20
  4. Step 4: Simplify right side
    774,855.76x = 484,004,598,308.11
  5. Step 5: Solve for x
    x = 484,004,598,308.11/774,855.76
  6. Step 6: Final answer
    x = 624,638.32

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Double scale
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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.