Home / 910,652.46-1,256,742.46-502,812.20

Finding the Fourth Proportional to 910,652.46, 1,256,742.46 and 502,812.20

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Solution

The fourth proportional to 910,652.46, 1,256,742.46 and 502,812.20 is: 693,904.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,652.46 : 1,256,742.46 = 502,812.20 : x
  2. Step 2: Convert to fraction form
    910,652.46/1,256,742.46 = 502,812.20/x
  3. Step 3: Cross multiply
    910,652.46x = 1,256,742.46 × 502,812.20
  4. Step 4: Simplify right side
    910,652.46x = 631,905,441,146.01
  5. Step 5: Solve for x
    x = 631,905,441,146.01/910,652.46
  6. Step 6: Final answer
    x = 693,904.06

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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.