Home / 940,128.12-1,297,457.13-532,301.82

Finding the Fourth Proportional to 940,128.12, 1,297,457.13 and 532,301.82

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Solution

The fourth proportional to 940,128.12, 1,297,457.13 and 532,301.82 is: 734,621.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,128.12 : 1,297,457.13 = 532,301.82 : x
  2. Step 2: Convert to fraction form
    940,128.12/1,297,457.13 = 532,301.82/x
  3. Step 3: Cross multiply
    940,128.12x = 1,297,457.13 × 532,301.82
  4. Step 4: Simplify right side
    940,128.12x = 690,638,791,670.98
  5. Step 5: Solve for x
    x = 690,638,791,670.98/940,128.12
  6. Step 6: Final answer
    x = 734,621.99

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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.