Home / 756,669.32-1,044,211.74-417,149.72

Finding the Fourth Proportional to 756,669.32, 1,044,211.74 and 417,149.72

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Solution

The fourth proportional to 756,669.32, 1,044,211.74 and 417,149.72 is: 575,671.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,669.32 : 1,044,211.74 = 417,149.72 : x
  2. Step 2: Convert to fraction form
    756,669.32/1,044,211.74 = 417,149.72/x
  3. Step 3: Cross multiply
    756,669.32x = 1,044,211.74 × 417,149.72
  4. Step 4: Simplify right side
    756,669.32x = 435,592,634,961.71
  5. Step 5: Solve for x
    x = 435,592,634,961.71/756,669.32
  6. Step 6: Final answer
    x = 575,671.07

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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.