Home / 889,603.40-1,334,405.10-328,521.80

Finding the Fourth Proportional to 889,603.40, 1,334,405.10 and 328,521.80

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Solution

The fourth proportional to 889,603.40, 1,334,405.10 and 328,521.80 is: 492,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,603.40 : 1,334,405.10 = 328,521.80 : x
  2. Step 2: Convert to fraction form
    889,603.40/1,334,405.10 = 328,521.80/x
  3. Step 3: Cross multiply
    889,603.40x = 1,334,405.10 × 328,521.80
  4. Step 4: Simplify right side
    889,603.40x = 438,381,165,381.18
  5. Step 5: Solve for x
    x = 438,381,165,381.18/889,603.40
  6. Step 6: Final answer
    x = 492,782.70

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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.