Home / 756,698.32-1,044,250.95-417,178.72

Finding the Fourth Proportional to 756,698.32, 1,044,250.95 and 417,178.72

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Solution

The fourth proportional to 756,698.32, 1,044,250.95 and 417,178.72 is: 575,710.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,698.32 : 1,044,250.95 = 417,178.72 : x
  2. Step 2: Convert to fraction form
    756,698.32/1,044,250.95 = 417,178.72/x
  3. Step 3: Cross multiply
    756,698.32x = 1,044,250.95 × 417,178.72
  4. Step 4: Simplify right side
    756,698.32x = 435,639,274,679.78
  5. Step 5: Solve for x
    x = 435,639,274,679.78/756,698.32
  6. Step 6: Final answer
    x = 575,710.64

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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.