Home / 889,927.20-1,334,890.80-357,703.20

Finding the Fourth Proportional to 889,927.20, 1,334,890.80 and 357,703.20

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Solution

The fourth proportional to 889,927.20, 1,334,890.80 and 357,703.20 is: 536,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,927.20 : 1,334,890.80 = 357,703.20 : x
  2. Step 2: Convert to fraction form
    889,927.20/1,334,890.80 = 357,703.20/x
  3. Step 3: Cross multiply
    889,927.20x = 1,334,890.80 × 357,703.20
  4. Step 4: Simplify right side
    889,927.20x = 477,494,710,810.56
  5. Step 5: Solve for x
    x = 477,494,710,810.56/889,927.20
  6. Step 6: Final answer
    x = 536,554.80

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Double scale
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Similar ratio
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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.