Home / 692,337.60-1,037,728.80-292,910.40

Finding the Fourth Proportional to 692,337.60, 1,037,728.80 and 292,910.40

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Solution

The fourth proportional to 692,337.60, 1,037,728.80 and 292,910.40 is: 439,036.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,337.60 : 1,037,728.80 = 292,910.40 : x
  2. Step 2: Convert to fraction form
    692,337.60/1,037,728.80 = 292,910.40/x
  3. Step 3: Cross multiply
    692,337.60x = 1,037,728.80 × 292,910.40
  4. Step 4: Simplify right side
    692,337.60x = 303,961,557,899.52
  5. Step 5: Solve for x
    x = 303,961,557,899.52/692,337.60
  6. Step 6: Final answer
    x = 439,036.62

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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.