Home / 540,389.45-745,776.06-298,666.82

Finding the Fourth Proportional to 540,389.45, 745,776.06 and 298,666.82

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Solution

The fourth proportional to 540,389.45, 745,776.06 and 298,666.82 is: 412,181.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,389.45 : 745,776.06 = 298,666.82 : x
  2. Step 2: Convert to fraction form
    540,389.45/745,776.06 = 298,666.82/x
  3. Step 3: Cross multiply
    540,389.45x = 745,776.06 × 298,666.82
  4. Step 4: Simplify right side
    540,389.45x = 222,738,562,779.00
  5. Step 5: Solve for x
    x = 222,738,562,779.00/540,389.45
  6. Step 6: Final answer
    x = 412,181.55

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1.5x scale

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.