Home / 756,867.90-1,134,017.16-456,717.84

Finding the Fourth Proportional to 756,867.90, 1,134,017.16 and 456,717.84

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Solution

The fourth proportional to 756,867.90, 1,134,017.16 and 456,717.84 is: 684,301.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,867.90 : 1,134,017.16 = 456,717.84 : x
  2. Step 2: Convert to fraction form
    756,867.90/1,134,017.16 = 456,717.84/x
  3. Step 3: Cross multiply
    756,867.90x = 1,134,017.16 × 456,717.84
  4. Step 4: Simplify right side
    756,867.90x = 517,925,867,838.13
  5. Step 5: Solve for x
    x = 517,925,867,838.13/756,867.90
  6. Step 6: Final answer
    x = 684,301.54

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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.