Home / 908,512.30-1,362,440.40-459,083.80

Finding the Fourth Proportional to 908,512.30, 1,362,440.40 and 459,083.80

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Solution

The fourth proportional to 908,512.30, 1,362,440.40 and 459,083.80 is: 688,459.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,512.30 : 1,362,440.40 = 459,083.80 : x
  2. Step 2: Convert to fraction form
    908,512.30/1,362,440.40 = 459,083.80/x
  3. Step 3: Cross multiply
    908,512.30x = 1,362,440.40 × 459,083.80
  4. Step 4: Simplify right side
    908,512.30x = 625,474,316,105.52
  5. Step 5: Solve for x
    x = 625,474,316,105.52/908,512.30
  6. Step 6: Final answer
    x = 688,459.93

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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.