Home / 851,802.83-1,277,427.68-283,031.21

Finding the Fourth Proportional to 851,802.83, 1,277,427.68 and 283,031.21

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Solution

The fourth proportional to 851,802.83, 1,277,427.68 and 283,031.21 is: 424,454.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,802.83 : 1,277,427.68 = 283,031.21 : x
  2. Step 2: Convert to fraction form
    851,802.83/1,277,427.68 = 283,031.21/x
  3. Step 3: Cross multiply
    851,802.83x = 1,277,427.68 × 283,031.21
  4. Step 4: Simplify right side
    851,802.83x = 361,551,894,155.60
  5. Step 5: Solve for x
    x = 361,551,894,155.60/851,802.83
  6. Step 6: Final answer
    x = 424,454.91

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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.