Home / 566,307.81-781,328.79-321,252.23

Finding the Fourth Proportional to 566,307.81, 781,328.79 and 321,252.23

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Solution

The fourth proportional to 566,307.81, 781,328.79 and 321,252.23 is: 443,228.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,307.81 : 781,328.79 = 321,252.23 : x
  2. Step 2: Convert to fraction form
    566,307.81/781,328.79 = 321,252.23/x
  3. Step 3: Cross multiply
    566,307.81x = 781,328.79 × 321,252.23
  4. Step 4: Simplify right side
    566,307.81x = 251,003,618,104.02
  5. Step 5: Solve for x
    x = 251,003,618,104.02/566,307.81
  6. Step 6: Final answer
    x = 443,228.25

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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.