Home / 740,037.06-1,021,253.58-400,505.22

Finding the Fourth Proportional to 740,037.06, 1,021,253.58 and 400,505.22

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Solution

The fourth proportional to 740,037.06, 1,021,253.58 and 400,505.22 is: 552,698.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,037.06 : 1,021,253.58 = 400,505.22 : x
  2. Step 2: Convert to fraction form
    740,037.06/1,021,253.58 = 400,505.22/x
  3. Step 3: Cross multiply
    740,037.06x = 1,021,253.58 × 400,505.22
  4. Step 4: Simplify right side
    740,037.06x = 409,017,389,733.69
  5. Step 5: Solve for x
    x = 409,017,389,733.69/740,037.06
  6. Step 6: Final answer
    x = 552,698.52

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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.