Home / 777,931.20-1,166,810.40-637,444.80

Finding the Fourth Proportional to 777,931.20, 1,166,810.40 and 637,444.80

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Solution

The fourth proportional to 777,931.20, 1,166,810.40 and 637,444.80 is: 956,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,931.20 : 1,166,810.40 = 637,444.80 : x
  2. Step 2: Convert to fraction form
    777,931.20/1,166,810.40 = 637,444.80/x
  3. Step 3: Cross multiply
    777,931.20x = 1,166,810.40 × 637,444.80
  4. Step 4: Simplify right side
    777,931.20x = 743,777,222,065.92
  5. Step 5: Solve for x
    x = 743,777,222,065.92/777,931.20
  6. Step 6: Final answer
    x = 956,096.40

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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.