Home / 849,666.47-1,274,196.16-280,942.59

Finding the Fourth Proportional to 849,666.47, 1,274,196.16 and 280,942.59

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Solution

The fourth proportional to 849,666.47, 1,274,196.16 and 280,942.59 is: 421,313.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,666.47 : 1,274,196.16 = 280,942.59 : x
  2. Step 2: Convert to fraction form
    849,666.47/1,274,196.16 = 280,942.59/x
  3. Step 3: Cross multiply
    849,666.47x = 1,274,196.16 × 280,942.59
  4. Step 4: Simplify right side
    849,666.47x = 357,975,969,358.45
  5. Step 5: Solve for x
    x = 357,975,969,358.45/849,666.47
  6. Step 6: Final answer
    x = 421,313.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.