Home / 739,962.92-1,021,148.82-400,431.16

Finding the Fourth Proportional to 739,962.92, 1,021,148.82 and 400,431.16

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Solution

The fourth proportional to 739,962.92, 1,021,148.82 and 400,431.16 is: 552,595.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,962.92 : 1,021,148.82 = 400,431.16 : x
  2. Step 2: Convert to fraction form
    739,962.92/1,021,148.82 = 400,431.16/x
  3. Step 3: Cross multiply
    739,962.92x = 1,021,148.82 × 400,431.16
  4. Step 4: Simplify right side
    739,962.92x = 408,899,806,525.23
  5. Step 5: Solve for x
    x = 408,899,806,525.23/739,962.92
  6. Step 6: Final answer
    x = 552,595.00

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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.