Home / 730,376.40-1,095,564.60-448,981.20

Finding the Fourth Proportional to 730,376.40, 1,095,564.60 and 448,981.20

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Solution

The fourth proportional to 730,376.40, 1,095,564.60 and 448,981.20 is: 673,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,376.40 : 1,095,564.60 = 448,981.20 : x
  2. Step 2: Convert to fraction form
    730,376.40/1,095,564.60 = 448,981.20/x
  3. Step 3: Cross multiply
    730,376.40x = 1,095,564.60 × 448,981.20
  4. Step 4: Simplify right side
    730,376.40x = 491,887,908,785.52
  5. Step 5: Solve for x
    x = 491,887,908,785.52/730,376.40
  6. Step 6: Final answer
    x = 673,471.80

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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.