Home / 432,920.40-648,396.45-222,312.30

Finding the Fourth Proportional to 432,920.40, 648,396.45 and 222,312.30

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Solution

The fourth proportional to 432,920.40, 648,396.45 and 222,312.30 is: 332,963.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,920.40 : 648,396.45 = 222,312.30 : x
  2. Step 2: Convert to fraction form
    432,920.40/648,396.45 = 222,312.30/x
  3. Step 3: Cross multiply
    432,920.40x = 648,396.45 × 222,312.30
  4. Step 4: Simplify right side
    432,920.40x = 144,146,506,111.34
  5. Step 5: Solve for x
    x = 144,146,506,111.34/432,920.40
  6. Step 6: Final answer
    x = 332,963.07

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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.