Home / 520,746.96-718,631.88-282,282.96

Finding the Fourth Proportional to 520,746.96, 718,631.88 and 282,282.96

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Solution

The fourth proportional to 520,746.96, 718,631.88 and 282,282.96 is: 389,551.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,746.96 : 718,631.88 = 282,282.96 : x
  2. Step 2: Convert to fraction form
    520,746.96/718,631.88 = 282,282.96/x
  3. Step 3: Cross multiply
    520,746.96x = 718,631.88 × 282,282.96
  4. Step 4: Simplify right side
    520,746.96x = 202,857,534,236.77
  5. Step 5: Solve for x
    x = 202,857,534,236.77/520,746.96
  6. Step 6: Final answer
    x = 389,551.07

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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.