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Finding the Fourth Proportional to 889,527, 1,334,372.52 and 290,491.29

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Solution

The fourth proportional to 889,527, 1,334,372.52 and 290,491.29 is: 435,763.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,527 : 1,334,372.52 = 290,491.29 : x
  2. Step 2: Convert to fraction form
    889,527/1,334,372.52 = 290,491.29/x
  3. Step 3: Cross multiply
    889,527x = 1,334,372.52 × 290,491.29
  4. Step 4: Simplify right side
    889,527x = 387,623,594,675.35
  5. Step 5: Solve for x
    x = 387,623,594,675.35/889,527
  6. Step 6: Final answer
    x = 435,763.72

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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.