Home / 940,160.02-1,297,420.78-510,440.20

Finding the Fourth Proportional to 940,160.02, 1,297,420.78 and 510,440.20

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Solution

The fourth proportional to 940,160.02, 1,297,420.78 and 510,440.20 is: 704,407.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,160.02 : 1,297,420.78 = 510,440.20 : x
  2. Step 2: Convert to fraction form
    940,160.02/1,297,420.78 = 510,440.20/x
  3. Step 3: Cross multiply
    940,160.02x = 1,297,420.78 × 510,440.20
  4. Step 4: Simplify right side
    940,160.02x = 662,255,722,427.36
  5. Step 5: Solve for x
    x = 662,255,722,427.36/940,160.02
  6. Step 6: Final answer
    x = 704,407.45

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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.