Home / 721,330.89-1,082,068.50-247,953.93

Finding the Fourth Proportional to 721,330.89, 1,082,068.50 and 247,953.93

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Solution

The fourth proportional to 721,330.89, 1,082,068.50 and 247,953.93 is: 371,955.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,330.89 : 1,082,068.50 = 247,953.93 : x
  2. Step 2: Convert to fraction form
    721,330.89/1,082,068.50 = 247,953.93/x
  3. Step 3: Cross multiply
    721,330.89x = 1,082,068.50 × 247,953.93
  4. Step 4: Simplify right side
    721,330.89x = 268,303,135,864.44
  5. Step 5: Solve for x
    x = 268,303,135,864.44/721,330.89
  6. Step 6: Final answer
    x = 371,955.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.