Home / 1,030.04-1,421.56-587.98

Finding the Fourth Proportional to 1,030.04, 1,421.56 and 587.98

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Solution

The fourth proportional to 1,030.04, 1,421.56 and 587.98 is: 811.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030.04 : 1,421.56 = 587.98 : x
  2. Step 2: Convert to fraction form
    1,030.04/1,421.56 = 587.98/x
  3. Step 3: Cross multiply
    1,030.04x = 1,421.56 × 587.98
  4. Step 4: Simplify right side
    1,030.04x = 835,848.85
  5. Step 5: Solve for x
    x = 835,848.85/1,030.04
  6. Step 6: Final answer
    x = 811.47

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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.