Home / 889,430.78-1,334,395.60-357,325.48

Finding the Fourth Proportional to 889,430.78, 1,334,395.60 and 357,325.48

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Solution

The fourth proportional to 889,430.78, 1,334,395.60 and 357,325.48 is: 536,088.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,430.78 : 1,334,395.60 = 357,325.48 : x
  2. Step 2: Convert to fraction form
    889,430.78/1,334,395.60 = 357,325.48/x
  3. Step 3: Cross multiply
    889,430.78x = 1,334,395.60 × 357,325.48
  4. Step 4: Simplify right side
    889,430.78x = 476,813,548,279.89
  5. Step 5: Solve for x
    x = 476,813,548,279.89/889,430.78
  6. Step 6: Final answer
    x = 536,088.43

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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.