Home / 960,419.50-1,440,432.38-352,998.47

Finding the Fourth Proportional to 960,419.50, 1,440,432.38 and 352,998.47

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Solution

The fourth proportional to 960,419.50, 1,440,432.38 and 352,998.47 is: 529,425.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,419.50 : 1,440,432.38 = 352,998.47 : x
  2. Step 2: Convert to fraction form
    960,419.50/1,440,432.38 = 352,998.47/x
  3. Step 3: Cross multiply
    960,419.50x = 1,440,432.38 × 352,998.47
  4. Step 4: Simplify right side
    960,419.50x = 508,470,430,762.04
  5. Step 5: Solve for x
    x = 508,470,430,762.04/960,419.50
  6. Step 6: Final answer
    x = 529,425.35

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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.