Home / 910,498.53-1,256,488.21-502,600.65

Finding the Fourth Proportional to 910,498.53, 1,256,488.21 and 502,600.65

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Solution

The fourth proportional to 910,498.53, 1,256,488.21 and 502,600.65 is: 693,589.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,498.53 : 1,256,488.21 = 502,600.65 : x
  2. Step 2: Convert to fraction form
    910,498.53/1,256,488.21 = 502,600.65/x
  3. Step 3: Cross multiply
    910,498.53x = 1,256,488.21 × 502,600.65
  4. Step 4: Simplify right side
    910,498.53x = 631,511,784,152.63
  5. Step 5: Solve for x
    x = 631,511,784,152.63/910,498.53
  6. Step 6: Final answer
    x = 693,589.02

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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.