Home / 749,385.92-1,034,145.96-409,856.60

Finding the Fourth Proportional to 749,385.92, 1,034,145.96 and 409,856.60

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Solution

The fourth proportional to 749,385.92, 1,034,145.96 and 409,856.60 is: 565,598.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,385.92 : 1,034,145.96 = 409,856.60 : x
  2. Step 2: Convert to fraction form
    749,385.92/1,034,145.96 = 409,856.60/x
  3. Step 3: Cross multiply
    749,385.92x = 1,034,145.96 × 409,856.60
  4. Step 4: Simplify right side
    749,385.92x = 423,851,547,069.34
  5. Step 5: Solve for x
    x = 423,851,547,069.34/749,385.92
  6. Step 6: Final answer
    x = 565,598.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.