Home / 830,040.30-1,244,076.30-745,403.40

Finding the Fourth Proportional to 830,040.30, 1,244,076.30 and 745,403.40

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Solution

The fourth proportional to 830,040.30, 1,244,076.30 and 745,403.40 is: 1,117,221.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,040.30 : 1,244,076.30 = 745,403.40 : x
  2. Step 2: Convert to fraction form
    830,040.30/1,244,076.30 = 745,403.40/x
  3. Step 3: Cross multiply
    830,040.30x = 1,244,076.30 × 745,403.40
  4. Step 4: Simplify right side
    830,040.30x = 927,338,703,879.42
  5. Step 5: Solve for x
    x = 927,338,703,879.42/830,040.30
  6. Step 6: Final answer
    x = 1,117,221.30

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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.