Home / 878,428.02-1,212,232.05-476,020.02

Finding the Fourth Proportional to 878,428.02, 1,212,232.05 and 476,020.02

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Solution

The fourth proportional to 878,428.02, 1,212,232.05 and 476,020.02 is: 656,908.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,428.02 : 1,212,232.05 = 476,020.02 : x
  2. Step 2: Convert to fraction form
    878,428.02/1,212,232.05 = 476,020.02/x
  3. Step 3: Cross multiply
    878,428.02x = 1,212,232.05 × 476,020.02
  4. Step 4: Simplify right side
    878,428.02x = 577,046,724,685.64
  5. Step 5: Solve for x
    x = 577,046,724,685.64/878,428.02
  6. Step 6: Final answer
    x = 656,908.38

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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.