Home / 889,532.79-1,334,381.22-290,497.07

Finding the Fourth Proportional to 889,532.79, 1,334,381.22 and 290,497.07

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Solution

The fourth proportional to 889,532.79, 1,334,381.22 and 290,497.07 is: 435,772.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,532.79 : 1,334,381.22 = 290,497.07 : x
  2. Step 2: Convert to fraction form
    889,532.79/1,334,381.22 = 290,497.07/x
  3. Step 3: Cross multiply
    889,532.79x = 1,334,381.22 × 290,497.07
  4. Step 4: Simplify right side
    889,532.79x = 387,633,828,001.12
  5. Step 5: Solve for x
    x = 387,633,828,001.12/889,532.79
  6. Step 6: Final answer
    x = 435,772.39

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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.