Home / 983,001.52-1,474,699.08-309,252.40

Finding the Fourth Proportional to 983,001.52, 1,474,699.08 and 309,252.40

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Solution

The fourth proportional to 983,001.52, 1,474,699.08 and 309,252.40 is: 463,940.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,001.52 : 1,474,699.08 = 309,252.40 : x
  2. Step 2: Convert to fraction form
    983,001.52/1,474,699.08 = 309,252.40/x
  3. Step 3: Cross multiply
    983,001.52x = 1,474,699.08 × 309,252.40
  4. Step 4: Simplify right side
    983,001.52x = 456,054,229,767.79
  5. Step 5: Solve for x
    x = 456,054,229,767.79/983,001.52
  6. Step 6: Final answer
    x = 463,940.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.