Home / 899,105.04-1,348,851.96-478,319.76

Finding the Fourth Proportional to 899,105.04, 1,348,851.96 and 478,319.76

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Solution

The fourth proportional to 899,105.04, 1,348,851.96 and 478,319.76 is: 717,583.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,105.04 : 1,348,851.96 = 478,319.76 : x
  2. Step 2: Convert to fraction form
    899,105.04/1,348,851.96 = 478,319.76/x
  3. Step 3: Cross multiply
    899,105.04x = 1,348,851.96 × 478,319.76
  4. Step 4: Simplify right side
    899,105.04x = 645,182,545,782.73
  5. Step 5: Solve for x
    x = 645,182,545,782.73/899,105.04
  6. Step 6: Final answer
    x = 717,583.06

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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.