Home / 1,087,248.80-1,630,865.10-329,088.80

Finding the Fourth Proportional to 1,087,248.80, 1,630,865.10 and 329,088.80

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Solution

The fourth proportional to 1,087,248.80, 1,630,865.10 and 329,088.80 is: 493,630.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,248.80 : 1,630,865.10 = 329,088.80 : x
  2. Step 2: Convert to fraction form
    1,087,248.80/1,630,865.10 = 329,088.80/x
  3. Step 3: Cross multiply
    1,087,248.80x = 1,630,865.10 × 329,088.80
  4. Step 4: Simplify right side
    1,087,248.80x = 536,699,438,720.88
  5. Step 5: Solve for x
    x = 536,699,438,720.88/1,087,248.80
  6. Step 6: Final answer
    x = 493,630.75

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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.