Home / 877,030.20-1,315,545.30-823,886.10

Finding the Fourth Proportional to 877,030.20, 1,315,545.30 and 823,886.10

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Solution

The fourth proportional to 877,030.20, 1,315,545.30 and 823,886.10 is: 1,235,829.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,030.20 : 1,315,545.30 = 823,886.10 : x
  2. Step 2: Convert to fraction form
    877,030.20/1,315,545.30 = 823,886.10/x
  3. Step 3: Cross multiply
    877,030.20x = 1,315,545.30 × 823,886.10
  4. Step 4: Simplify right side
    877,030.20x = 1,083,859,486,590.33
  5. Step 5: Solve for x
    x = 1,083,859,486,590.33/877,030.20
  6. Step 6: Final answer
    x = 1,235,829.15

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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.