Home / 740,480.00-1,021,863.20-400,947.44

Finding the Fourth Proportional to 740,480.00, 1,021,863.20 and 400,947.44

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Solution

The fourth proportional to 740,480.00, 1,021,863.20 and 400,947.44 is: 553,307.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,480.00 : 1,021,863.20 = 400,947.44 : x
  2. Step 2: Convert to fraction form
    740,480.00/1,021,863.20 = 400,947.44/x
  3. Step 3: Cross multiply
    740,480.00x = 1,021,863.20 × 400,947.44
  4. Step 4: Simplify right side
    740,480.00x = 409,713,426,956.16
  5. Step 5: Solve for x
    x = 409,713,426,956.16/740,480.00
  6. Step 6: Final answer
    x = 553,307.89

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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.