Home / 740,947.61-1,022,508.74-401,415.86

Finding the Fourth Proportional to 740,947.61, 1,022,508.74 and 401,415.86

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Solution

The fourth proportional to 740,947.61, 1,022,508.74 and 401,415.86 is: 553,954.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,947.61 : 1,022,508.74 = 401,415.86 : x
  2. Step 2: Convert to fraction form
    740,947.61/1,022,508.74 = 401,415.86/x
  3. Step 3: Cross multiply
    740,947.61x = 1,022,508.74 × 401,415.86
  4. Step 4: Simplify right side
    740,947.61x = 410,451,225,224.62
  5. Step 5: Solve for x
    x = 410,451,225,224.62/740,947.61
  6. Step 6: Final answer
    x = 553,954.45

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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.