Home / 804,465.96-1,109,253.26-513,695.20

Finding the Fourth Proportional to 804,465.96, 1,109,253.26 and 513,695.20

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Solution

The fourth proportional to 804,465.96, 1,109,253.26 and 513,695.20 is: 708,318.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,465.96 : 1,109,253.26 = 513,695.20 : x
  2. Step 2: Convert to fraction form
    804,465.96/1,109,253.26 = 513,695.20/x
  3. Step 3: Cross multiply
    804,465.96x = 1,109,253.26 × 513,695.20
  4. Step 4: Simplify right side
    804,465.96x = 569,818,075,246.35
  5. Step 5: Solve for x
    x = 569,818,075,246.35/804,465.96
  6. Step 6: Final answer
    x = 708,318.44

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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.