Home / 711,417.48-1,067,128.02-290,693.35

Finding the Fourth Proportional to 711,417.48, 1,067,128.02 and 290,693.35

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Solution

The fourth proportional to 711,417.48, 1,067,128.02 and 290,693.35 is: 436,040.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,417.48 : 1,067,128.02 = 290,693.35 : x
  2. Step 2: Convert to fraction form
    711,417.48/1,067,128.02 = 290,693.35/x
  3. Step 3: Cross multiply
    711,417.48x = 1,067,128.02 × 290,693.35
  4. Step 4: Simplify right side
    711,417.48x = 310,207,019,012.67
  5. Step 5: Solve for x
    x = 310,207,019,012.67/711,417.48
  6. Step 6: Final answer
    x = 436,040.76

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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.