Home / 849,666.42-1,172,402.46-487,023.54

Finding the Fourth Proportional to 849,666.42, 1,172,402.46 and 487,023.54

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Solution

The fourth proportional to 849,666.42, 1,172,402.46 and 487,023.54 is: 672,013.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,666.42 : 1,172,402.46 = 487,023.54 : x
  2. Step 2: Convert to fraction form
    849,666.42/1,172,402.46 = 487,023.54/x
  3. Step 3: Cross multiply
    849,666.42x = 1,172,402.46 × 487,023.54
  4. Step 4: Simplify right side
    849,666.42x = 570,987,596,373.91
  5. Step 5: Solve for x
    x = 570,987,596,373.91/849,666.42
  6. Step 6: Final answer
    x = 672,013.84

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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.