Home / 889,445.80-1,334,418.12-357,340.48

Finding the Fourth Proportional to 889,445.80, 1,334,418.12 and 357,340.48

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Solution

The fourth proportional to 889,445.80, 1,334,418.12 and 357,340.48 is: 536,110.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,445.80 : 1,334,418.12 = 357,340.48 : x
  2. Step 2: Convert to fraction form
    889,445.80/1,334,418.12 = 357,340.48/x
  3. Step 3: Cross multiply
    889,445.80x = 1,334,418.12 × 357,340.48
  4. Step 4: Simplify right side
    889,445.80x = 476,841,611,521.50
  5. Step 5: Solve for x
    x = 476,841,611,521.50/889,445.80
  6. Step 6: Final answer
    x = 536,110.93

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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.