Home / 889,430.91-1,334,395.79-357,325.61

Finding the Fourth Proportional to 889,430.91, 1,334,395.79 and 357,325.61

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Solution

The fourth proportional to 889,430.91, 1,334,395.79 and 357,325.61 is: 536,088.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,430.91 : 1,334,395.79 = 357,325.61 : x
  2. Step 2: Convert to fraction form
    889,430.91/1,334,395.79 = 357,325.61/x
  3. Step 3: Cross multiply
    889,430.91x = 1,334,395.79 × 357,325.61
  4. Step 4: Simplify right side
    889,430.91x = 476,813,782,524.55
  5. Step 5: Solve for x
    x = 476,813,782,524.55/889,430.91
  6. Step 6: Final answer
    x = 536,088.61

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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.