Home / 948,382.56-1,308,787.02-518,690.31

Finding the Fourth Proportional to 948,382.56, 1,308,787.02 and 518,690.31

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Solution

The fourth proportional to 948,382.56, 1,308,787.02 and 518,690.31 is: 715,803.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,382.56 : 1,308,787.02 = 518,690.31 : x
  2. Step 2: Convert to fraction form
    948,382.56/1,308,787.02 = 518,690.31/x
  3. Step 3: Cross multiply
    948,382.56x = 1,308,787.02 × 518,690.31
  4. Step 4: Simplify right side
    948,382.56x = 678,855,145,127.78
  5. Step 5: Solve for x
    x = 678,855,145,127.78/948,382.56
  6. Step 6: Final answer
    x = 715,803.07

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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.