Home / 644,802.90-966,743.55-289,526.10

Finding the Fourth Proportional to 644,802.90, 966,743.55 and 289,526.10

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Solution

The fourth proportional to 644,802.90, 966,743.55 and 289,526.10 is: 434,082.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,802.90 : 966,743.55 = 289,526.10 : x
  2. Step 2: Convert to fraction form
    644,802.90/966,743.55 = 289,526.10/x
  3. Step 3: Cross multiply
    644,802.90x = 966,743.55 × 289,526.10
  4. Step 4: Simplify right side
    644,802.90x = 279,897,489,731.66
  5. Step 5: Solve for x
    x = 279,897,489,731.66/644,802.90
  6. Step 6: Final answer
    x = 434,082.24

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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.