Home / 566,012.34-781,099.20-307,889.28

Finding the Fourth Proportional to 566,012.34, 781,099.20 and 307,889.28

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Solution

The fourth proportional to 566,012.34, 781,099.20 and 307,889.28 is: 424,888.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,012.34 : 781,099.20 = 307,889.28 : x
  2. Step 2: Convert to fraction form
    566,012.34/781,099.20 = 307,889.28/x
  3. Step 3: Cross multiply
    566,012.34x = 781,099.20 × 307,889.28
  4. Step 4: Simplify right side
    566,012.34x = 240,492,070,296.58
  5. Step 5: Solve for x
    x = 240,492,070,296.58/566,012.34
  6. Step 6: Final answer
    x = 424,888.39

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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.