Home / 877,092.80-1,315,855.20-245,998.40

Finding the Fourth Proportional to 877,092.80, 1,315,855.20 and 245,998.40

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Solution

The fourth proportional to 877,092.80, 1,315,855.20 and 245,998.40 is: 369,058.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,092.80 : 1,315,855.20 = 245,998.40 : x
  2. Step 2: Convert to fraction form
    877,092.80/1,315,855.20 = 245,998.40/x
  3. Step 3: Cross multiply
    877,092.80x = 1,315,855.20 × 245,998.40
  4. Step 4: Simplify right side
    877,092.80x = 323,698,273,831.68
  5. Step 5: Solve for x
    x = 323,698,273,831.68/877,092.80
  6. Step 6: Final answer
    x = 369,058.18

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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.