Home / 877,460.58-1,315,929.33-372,013.47

Finding the Fourth Proportional to 877,460.58, 1,315,929.33 and 372,013.47

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Solution

The fourth proportional to 877,460.58, 1,315,929.33 and 372,013.47 is: 557,909.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,460.58 : 1,315,929.33 = 372,013.47 : x
  2. Step 2: Convert to fraction form
    877,460.58/1,315,929.33 = 372,013.47/x
  3. Step 3: Cross multiply
    877,460.58x = 1,315,929.33 × 372,013.47
  4. Step 4: Simplify right side
    877,460.58x = 489,543,436,328.08
  5. Step 5: Solve for x
    x = 489,543,436,328.08/877,460.58
  6. Step 6: Final answer
    x = 557,909.32

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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.