Home / 872,360.46-1,203,679.48-509,714.18

Finding the Fourth Proportional to 872,360.46, 1,203,679.48 and 509,714.18

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Solution

The fourth proportional to 872,360.46, 1,203,679.48 and 509,714.18 is: 703,301.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,360.46 : 1,203,679.48 = 509,714.18 : x
  2. Step 2: Convert to fraction form
    872,360.46/1,203,679.48 = 509,714.18/x
  3. Step 3: Cross multiply
    872,360.46x = 1,203,679.48 × 509,714.18
  4. Step 4: Simplify right side
    872,360.46x = 613,532,496,582.46
  5. Step 5: Solve for x
    x = 613,532,496,582.46/872,360.46
  6. Step 6: Final answer
    x = 703,301.59

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Double scale
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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.