Home / 756,889.60-1,044,490.56-417,358.72

Finding the Fourth Proportional to 756,889.60, 1,044,490.56 and 417,358.72

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Solution

The fourth proportional to 756,889.60, 1,044,490.56 and 417,358.72 is: 575,945.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,889.60 : 1,044,490.56 = 417,358.72 : x
  2. Step 2: Convert to fraction form
    756,889.60/1,044,490.56 = 417,358.72/x
  3. Step 3: Cross multiply
    756,889.60x = 1,044,490.56 × 417,358.72
  4. Step 4: Simplify right side
    756,889.60x = 435,927,243,173.68
  5. Step 5: Solve for x
    x = 435,927,243,173.68/756,889.60
  6. Step 6: Final answer
    x = 575,945.61

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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.