Home / 899,108.04-1,348,856.46-478,322.76

Finding the Fourth Proportional to 899,108.04, 1,348,856.46 and 478,322.76

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Solution

The fourth proportional to 899,108.04, 1,348,856.46 and 478,322.76 is: 717,587.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,108.04 : 1,348,856.46 = 478,322.76 : x
  2. Step 2: Convert to fraction form
    899,108.04/1,348,856.46 = 478,322.76/x
  3. Step 3: Cross multiply
    899,108.04x = 1,348,856.46 × 478,322.76
  4. Step 4: Simplify right side
    899,108.04x = 645,188,744,791.03
  5. Step 5: Solve for x
    x = 645,188,744,791.03/899,108.04
  6. Step 6: Final answer
    x = 717,587.56

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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.