Home / 914,670.13-1,262,244.77-512,262.13

Finding the Fourth Proportional to 914,670.13, 1,262,244.77 and 512,262.13

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Solution

The fourth proportional to 914,670.13, 1,262,244.77 and 512,262.13 is: 706,921.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,670.13 : 1,262,244.77 = 512,262.13 : x
  2. Step 2: Convert to fraction form
    914,670.13/1,262,244.77 = 512,262.13/x
  3. Step 3: Cross multiply
    914,670.13x = 1,262,244.77 × 512,262.13
  4. Step 4: Simplify right side
    914,670.13x = 646,600,189,430.99
  5. Step 5: Solve for x
    x = 646,600,189,430.99/914,670.13
  6. Step 6: Final answer
    x = 706,921.73

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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.