Home / 990,235.26-1,485,352.82-540,710.87

Finding the Fourth Proportional to 990,235.26, 1,485,352.82 and 540,710.87

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Solution

The fourth proportional to 990,235.26, 1,485,352.82 and 540,710.87 is: 811,066.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,235.26 : 1,485,352.82 = 540,710.87 : x
  2. Step 2: Convert to fraction form
    990,235.26/1,485,352.82 = 540,710.87/x
  3. Step 3: Cross multiply
    990,235.26x = 1,485,352.82 × 540,710.87
  4. Step 4: Simplify right side
    990,235.26x = 803,146,409,484.17
  5. Step 5: Solve for x
    x = 803,146,409,484.17/990,235.26
  6. Step 6: Final answer
    x = 811,066.26

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1.5x scale

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.