Home / 910,498.91-1,256,488.73-502,601.02

Finding the Fourth Proportional to 910,498.91, 1,256,488.73 and 502,601.02

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Solution

The fourth proportional to 910,498.91, 1,256,488.73 and 502,601.02 is: 693,589.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,498.91 : 1,256,488.73 = 502,601.02 : x
  2. Step 2: Convert to fraction form
    910,498.91/1,256,488.73 = 502,601.02/x
  3. Step 3: Cross multiply
    910,498.91x = 1,256,488.73 × 502,601.02
  4. Step 4: Simplify right side
    910,498.91x = 631,512,516,374.11
  5. Step 5: Solve for x
    x = 631,512,516,374.11/910,498.91
  6. Step 6: Final answer
    x = 693,589.54

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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.