Home / 777,127.65-1,072,491.08-432,986.19

Finding the Fourth Proportional to 777,127.65, 1,072,491.08 and 432,986.19

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Solution

The fourth proportional to 777,127.65, 1,072,491.08 and 432,986.19 is: 597,551.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,127.65 : 1,072,491.08 = 432,986.19 : x
  2. Step 2: Convert to fraction form
    777,127.65/1,072,491.08 = 432,986.19/x
  3. Step 3: Cross multiply
    777,127.65x = 1,072,491.08 × 432,986.19
  4. Step 4: Simplify right side
    777,127.65x = 464,373,824,373.25
  5. Step 5: Solve for x
    x = 464,373,824,373.25/777,127.65
  6. Step 6: Final answer
    x = 597,551.54

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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.