Home / 833,139.72-1,248,868.04-328,055.11

Finding the Fourth Proportional to 833,139.72, 1,248,868.04 and 328,055.11

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Solution

The fourth proportional to 833,139.72, 1,248,868.04 and 328,055.11 is: 491,751.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,139.72 : 1,248,868.04 = 328,055.11 : x
  2. Step 2: Convert to fraction form
    833,139.72/1,248,868.04 = 328,055.11/x
  3. Step 3: Cross multiply
    833,139.72x = 1,248,868.04 × 328,055.11
  4. Step 4: Simplify right side
    833,139.72x = 409,697,537,475.24
  5. Step 5: Solve for x
    x = 409,697,537,475.24/833,139.72
  6. Step 6: Final answer
    x = 491,751.30

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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.