Home / 521,050.08-780,350.16-253,973.52

Finding the Fourth Proportional to 521,050.08, 780,350.16 and 253,973.52

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Solution

The fourth proportional to 521,050.08, 780,350.16 and 253,973.52 is: 380,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,050.08 : 780,350.16 = 253,973.52 : x
  2. Step 2: Convert to fraction form
    521,050.08/780,350.16 = 253,973.52/x
  3. Step 3: Cross multiply
    521,050.08x = 780,350.16 × 253,973.52
  4. Step 4: Simplify right side
    521,050.08x = 198,188,276,967.76
  5. Step 5: Solve for x
    x = 198,188,276,967.76/521,050.08
  6. Step 6: Final answer
    x = 380,363.20

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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.