Home / 849,673.56-1,172,412.31-487,030.69

Finding the Fourth Proportional to 849,673.56, 1,172,412.31 and 487,030.69

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Solution

The fourth proportional to 849,673.56, 1,172,412.31 and 487,030.69 is: 672,023.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,673.56 : 1,172,412.31 = 487,030.69 : x
  2. Step 2: Convert to fraction form
    849,673.56/1,172,412.31 = 487,030.69/x
  3. Step 3: Cross multiply
    849,673.56x = 1,172,412.31 × 487,030.69
  4. Step 4: Simplify right side
    849,673.56x = 571,000,776,303.79
  5. Step 5: Solve for x
    x = 571,000,776,303.79/849,673.56
  6. Step 6: Final answer
    x = 672,023.71

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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.