Home / 740,002.98-1,021,206.87-400,471.23

Finding the Fourth Proportional to 740,002.98, 1,021,206.87 and 400,471.23

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Solution

The fourth proportional to 740,002.98, 1,021,206.87 and 400,471.23 is: 552,651.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,002.98 : 1,021,206.87 = 400,471.23 : x
  2. Step 2: Convert to fraction form
    740,002.98/1,021,206.87 = 400,471.23/x
  3. Step 3: Cross multiply
    740,002.98x = 1,021,206.87 × 400,471.23
  4. Step 4: Simplify right side
    740,002.98x = 408,963,971,313.35
  5. Step 5: Solve for x
    x = 408,963,971,313.35/740,002.98
  6. Step 6: Final answer
    x = 552,651.79

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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.