Home / 579,420.40-867,964.20-299,095.60

Finding the Fourth Proportional to 579,420.40, 867,964.20 and 299,095.60

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Solution

The fourth proportional to 579,420.40, 867,964.20 and 299,095.60 is: 448,041.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,420.40 : 867,964.20 = 299,095.60 : x
  2. Step 2: Convert to fraction form
    579,420.40/867,964.20 = 299,095.60/x
  3. Step 3: Cross multiply
    579,420.40x = 867,964.20 × 299,095.60
  4. Step 4: Simplify right side
    579,420.40x = 259,604,273,177.52
  5. Step 5: Solve for x
    x = 259,604,273,177.52/579,420.40
  6. Step 6: Final answer
    x = 448,041.31

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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.