Home / 917,074.99-1,265,603.01-509,176.85

Finding the Fourth Proportional to 917,074.99, 1,265,603.01 and 509,176.85

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Solution

The fourth proportional to 917,074.99, 1,265,603.01 and 509,176.85 is: 702,686.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,074.99 : 1,265,603.01 = 509,176.85 : x
  2. Step 2: Convert to fraction form
    917,074.99/1,265,603.01 = 509,176.85/x
  3. Step 3: Cross multiply
    917,074.99x = 1,265,603.01 × 509,176.85
  4. Step 4: Simplify right side
    917,074.99x = 644,415,753,982.32
  5. Step 5: Solve for x
    x = 644,415,753,982.32/917,074.99
  6. Step 6: Final answer
    x = 702,686.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.