Home / 908,431.32-1,253,636.40-494,966.14

Finding the Fourth Proportional to 908,431.32, 1,253,636.40 and 494,966.14

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Solution

The fourth proportional to 908,431.32, 1,253,636.40 and 494,966.14 is: 683,053.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,431.32 : 1,253,636.40 = 494,966.14 : x
  2. Step 2: Convert to fraction form
    908,431.32/1,253,636.40 = 494,966.14/x
  3. Step 3: Cross multiply
    908,431.32x = 1,253,636.40 × 494,966.14
  4. Step 4: Simplify right side
    908,431.32x = 620,507,569,871.50
  5. Step 5: Solve for x
    x = 620,507,569,871.50/908,431.32
  6. Step 6: Final answer
    x = 683,053.92

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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.