Home / 540,026.45-745,222.05-298,303.82

Finding the Fourth Proportional to 540,026.45, 745,222.05 and 298,303.82

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Solution

The fourth proportional to 540,026.45, 745,222.05 and 298,303.82 is: 411,651.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,026.45 : 745,222.05 = 298,303.82 : x
  2. Step 2: Convert to fraction form
    540,026.45/745,222.05 = 298,303.82/x
  3. Step 3: Cross multiply
    540,026.45x = 745,222.05 × 298,303.82
  4. Step 4: Simplify right side
    540,026.45x = 222,302,580,537.12
  5. Step 5: Solve for x
    x = 222,302,580,537.12/540,026.45
  6. Step 6: Final answer
    x = 411,651.29

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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.