Home / 1,019,277.47-1,528,925.36-309,305.45

Finding the Fourth Proportional to 1,019,277.47, 1,528,925.36 and 309,305.45

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Solution

The fourth proportional to 1,019,277.47, 1,528,925.36 and 309,305.45 is: 463,960.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,277.47 : 1,528,925.36 = 309,305.45 : x
  2. Step 2: Convert to fraction form
    1,019,277.47/1,528,925.36 = 309,305.45/x
  3. Step 3: Cross multiply
    1,019,277.47x = 1,528,925.36 × 309,305.45
  4. Step 4: Simplify right side
    1,019,277.47x = 472,904,948,767.00
  5. Step 5: Solve for x
    x = 472,904,948,767.00/1,019,277.47
  6. Step 6: Final answer
    x = 463,960.95

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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.