Home / 821,531.60-1,232,124.60-348,232.40

Finding the Fourth Proportional to 821,531.60, 1,232,124.60 and 348,232.40

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Solution

The fourth proportional to 821,531.60, 1,232,124.60 and 348,232.40 is: 522,275.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,531.60 : 1,232,124.60 = 348,232.40 : x
  2. Step 2: Convert to fraction form
    821,531.60/1,232,124.60 = 348,232.40/x
  3. Step 3: Cross multiply
    821,531.60x = 1,232,124.60 × 348,232.40
  4. Step 4: Simplify right side
    821,531.60x = 429,065,706,557.04
  5. Step 5: Solve for x
    x = 429,065,706,557.04/821,531.60
  6. Step 6: Final answer
    x = 522,275.35

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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.