Home / 692,637.60-1,038,956.40-293,145.60

Finding the Fourth Proportional to 692,637.60, 1,038,956.40 and 293,145.60

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Solution

The fourth proportional to 692,637.60, 1,038,956.40 and 293,145.60 is: 439,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,637.60 : 1,038,956.40 = 293,145.60 : x
  2. Step 2: Convert to fraction form
    692,637.60/1,038,956.40 = 293,145.60/x
  3. Step 3: Cross multiply
    692,637.60x = 1,038,956.40 × 293,145.60
  4. Step 4: Simplify right side
    692,637.60x = 304,565,497,251.84
  5. Step 5: Solve for x
    x = 304,565,497,251.84/692,637.60
  6. Step 6: Final answer
    x = 439,718.40

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Double scale
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Similar ratio
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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.