Home / 877,176.27-1,210,374.41-489,943.98

Finding the Fourth Proportional to 877,176.27, 1,210,374.41 and 489,943.98

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Solution

The fourth proportional to 877,176.27, 1,210,374.41 and 489,943.98 is: 676,050.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,176.27 : 1,210,374.41 = 489,943.98 : x
  2. Step 2: Convert to fraction form
    877,176.27/1,210,374.41 = 489,943.98/x
  3. Step 3: Cross multiply
    877,176.27x = 1,210,374.41 × 489,943.98
  4. Step 4: Simplify right side
    877,176.27x = 593,015,653,275.83
  5. Step 5: Solve for x
    x = 593,015,653,275.83/877,176.27
  6. Step 6: Final answer
    x = 676,050.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.