Home / 783,017.72-1,174,533.48-309,703.01

Finding the Fourth Proportional to 783,017.72, 1,174,533.48 and 309,703.01

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Solution

The fourth proportional to 783,017.72, 1,174,533.48 and 309,703.01 is: 464,557.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,017.72 : 1,174,533.48 = 309,703.01 : x
  2. Step 2: Convert to fraction form
    783,017.72/1,174,533.48 = 309,703.01/x
  3. Step 3: Cross multiply
    783,017.72x = 1,174,533.48 × 309,703.01
  4. Step 4: Simplify right side
    783,017.72x = 363,756,554,101.78
  5. Step 5: Solve for x
    x = 363,756,554,101.78/783,017.72
  6. Step 6: Final answer
    x = 464,557.24

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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.