Home / 756,409.61-1,134,697.47-377,425.74

Finding the Fourth Proportional to 756,409.61, 1,134,697.47 and 377,425.74

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Solution

The fourth proportional to 756,409.61, 1,134,697.47 and 377,425.74 is: 566,180.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,409.61 : 1,134,697.47 = 377,425.74 : x
  2. Step 2: Convert to fraction form
    756,409.61/1,134,697.47 = 377,425.74/x
  3. Step 3: Cross multiply
    756,409.61x = 1,134,697.47 × 377,425.74
  4. Step 4: Simplify right side
    756,409.61x = 428,264,035,130.65
  5. Step 5: Solve for x
    x = 428,264,035,130.65/756,409.61
  6. Step 6: Final answer
    x = 566,180.05

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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.