Home / 652,014.20-976,466.10-319,201.40

Finding the Fourth Proportional to 652,014.20, 976,466.10 and 319,201.40

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Solution

The fourth proportional to 652,014.20, 976,466.10 and 319,201.40 is: 478,040.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,014.20 : 976,466.10 = 319,201.40 : x
  2. Step 2: Convert to fraction form
    652,014.20/976,466.10 = 319,201.40/x
  3. Step 3: Cross multiply
    652,014.20x = 976,466.10 × 319,201.40
  4. Step 4: Simplify right side
    652,014.20x = 311,689,346,172.54
  5. Step 5: Solve for x
    x = 311,689,346,172.54/652,014.20
  6. Step 6: Final answer
    x = 478,040.73

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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.