Home / 977,981.20-1,467,409.20-347,347.60

Finding the Fourth Proportional to 977,981.20, 1,467,409.20 and 347,347.60

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Solution

The fourth proportional to 977,981.20, 1,467,409.20 and 347,347.60 is: 521,176.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,981.20 : 1,467,409.20 = 347,347.60 : x
  2. Step 2: Convert to fraction form
    977,981.20/1,467,409.20 = 347,347.60/x
  3. Step 3: Cross multiply
    977,981.20x = 1,467,409.20 × 347,347.60
  4. Step 4: Simplify right side
    977,981.20x = 509,701,063,837.92
  5. Step 5: Solve for x
    x = 509,701,063,837.92/977,981.20
  6. Step 6: Final answer
    x = 521,176.75

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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.