Home / 756,689.32-1,044,238.40-417,169.72

Finding the Fourth Proportional to 756,689.32, 1,044,238.40 and 417,169.72

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Solution

The fourth proportional to 756,689.32, 1,044,238.40 and 417,169.72 is: 575,698.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,689.32 : 1,044,238.40 = 417,169.72 : x
  2. Step 2: Convert to fraction form
    756,689.32/1,044,238.40 = 417,169.72/x
  3. Step 3: Cross multiply
    756,689.32x = 1,044,238.40 × 417,169.72
  4. Step 4: Simplify right side
    756,689.32x = 435,624,640,941.25
  5. Step 5: Solve for x
    x = 435,624,640,941.25/756,689.32
  6. Step 6: Final answer
    x = 575,698.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.