Home / 807,084.88-1,113,510.54-520,795.24

Finding the Fourth Proportional to 807,084.88, 1,113,510.54 and 520,795.24

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Solution

The fourth proportional to 807,084.88, 1,113,510.54 and 520,795.24 is: 718,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,084.88 : 1,113,510.54 = 520,795.24 : x
  2. Step 2: Convert to fraction form
    807,084.88/1,113,510.54 = 520,795.24/x
  3. Step 3: Cross multiply
    807,084.88x = 1,113,510.54 × 520,795.24
  4. Step 4: Simplify right side
    807,084.88x = 579,910,988,921.83
  5. Step 5: Solve for x
    x = 579,910,988,921.83/807,084.88
  6. Step 6: Final answer
    x = 718,525.40

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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.