Home / 803,607.03-1,205,410.55-381,603.51

Finding the Fourth Proportional to 803,607.03, 1,205,410.55 and 381,603.51

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Solution

The fourth proportional to 803,607.03, 1,205,410.55 and 381,603.51 is: 572,405.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,607.03 : 1,205,410.55 = 381,603.51 : x
  2. Step 2: Convert to fraction form
    803,607.03/1,205,410.55 = 381,603.51/x
  3. Step 3: Cross multiply
    803,607.03x = 1,205,410.55 × 381,603.51
  4. Step 4: Simplify right side
    803,607.03x = 459,988,894,963.01
  5. Step 5: Solve for x
    x = 459,988,894,963.01/803,607.03
  6. Step 6: Final answer
    x = 572,405.27

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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.