Home / 862,292.13-1,293,638.40-293,678.15

Finding the Fourth Proportional to 862,292.13, 1,293,638.40 and 293,678.15

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Solution

The fourth proportional to 862,292.13, 1,293,638.40 and 293,678.15 is: 440,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,292.13 : 1,293,638.40 = 293,678.15 : x
  2. Step 2: Convert to fraction form
    862,292.13/1,293,638.40 = 293,678.15/x
  3. Step 3: Cross multiply
    862,292.13x = 1,293,638.40 × 293,678.15
  4. Step 4: Simplify right side
    862,292.13x = 379,913,325,612.77
  5. Step 5: Solve for x
    x = 379,913,325,612.77/862,292.13
  6. Step 6: Final answer
    x = 440,585.40

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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.