Home / 756,861.48-1,134,007.56-456,711.48

Finding the Fourth Proportional to 756,861.48, 1,134,007.56 and 456,711.48

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Solution

The fourth proportional to 756,861.48, 1,134,007.56 and 456,711.48 is: 684,292.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,861.48 : 1,134,007.56 = 456,711.48 : x
  2. Step 2: Convert to fraction form
    756,861.48/1,134,007.56 = 456,711.48/x
  3. Step 3: Cross multiply
    756,861.48x = 1,134,007.56 × 456,711.48
  4. Step 4: Simplify right side
    756,861.48x = 517,914,271,058.79
  5. Step 5: Solve for x
    x = 517,914,271,058.79/756,861.48
  6. Step 6: Final answer
    x = 684,292.02

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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.