Home / 740,293.70-1,021,605.62-400,761.95

Finding the Fourth Proportional to 740,293.70, 1,021,605.62 and 400,761.95

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Solution

The fourth proportional to 740,293.70, 1,021,605.62 and 400,761.95 is: 553,051.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,293.70 : 1,021,605.62 = 400,761.95 : x
  2. Step 2: Convert to fraction form
    740,293.70/1,021,605.62 = 400,761.95/x
  3. Step 3: Cross multiply
    740,293.70x = 1,021,605.62 × 400,761.95
  4. Step 4: Simplify right side
    740,293.70x = 409,420,653,290.32
  5. Step 5: Solve for x
    x = 409,420,653,290.32/740,293.70
  6. Step 6: Final answer
    x = 553,051.66

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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.