Home / 748,835.70-1,033,393.80-409,303.95

Finding the Fourth Proportional to 748,835.70, 1,033,393.80 and 409,303.95

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Solution

The fourth proportional to 748,835.70, 1,033,393.80 and 409,303.95 is: 564,839.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,835.70 : 1,033,393.80 = 409,303.95 : x
  2. Step 2: Convert to fraction form
    748,835.70/1,033,393.80 = 409,303.95/x
  3. Step 3: Cross multiply
    748,835.70x = 1,033,393.80 × 409,303.95
  4. Step 4: Simplify right side
    748,835.70x = 422,972,164,245.51
  5. Step 5: Solve for x
    x = 422,972,164,245.51/748,835.70
  6. Step 6: Final answer
    x = 564,839.74

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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.