Home / 538,699.02-743,409.72-296,990.16

Finding the Fourth Proportional to 538,699.02, 743,409.72 and 296,990.16

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Solution

The fourth proportional to 538,699.02, 743,409.72 and 296,990.16 is: 409,849.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,699.02 : 743,409.72 = 296,990.16 : x
  2. Step 2: Convert to fraction form
    538,699.02/743,409.72 = 296,990.16/x
  3. Step 3: Cross multiply
    538,699.02x = 743,409.72 × 296,990.16
  4. Step 4: Simplify right side
    538,699.02x = 220,785,371,688.36
  5. Step 5: Solve for x
    x = 220,785,371,688.36/538,699.02
  6. Step 6: Final answer
    x = 409,849.22

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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.