Home / 690,531.24-1,035,938.88-291,173.16

Finding the Fourth Proportional to 690,531.24, 1,035,938.88 and 291,173.16

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Solution

The fourth proportional to 690,531.24, 1,035,938.88 and 291,173.16 is: 436,819.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,531.24 : 1,035,938.88 = 291,173.16 : x
  2. Step 2: Convert to fraction form
    690,531.24/1,035,938.88 = 291,173.16/x
  3. Step 3: Cross multiply
    690,531.24x = 1,035,938.88 × 291,173.16
  4. Step 4: Simplify right side
    690,531.24x = 301,637,597,256.46
  5. Step 5: Solve for x
    x = 301,637,597,256.46/690,531.24
  6. Step 6: Final answer
    x = 436,819.62

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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.