Home / 760,562.65-1,050,287.67-489,101.95

Finding the Fourth Proportional to 760,562.65, 1,050,287.67 and 489,101.95

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Solution

The fourth proportional to 760,562.65, 1,050,287.67 and 489,101.95 is: 675,418.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,562.65 : 1,050,287.67 = 489,101.95 : x
  2. Step 2: Convert to fraction form
    760,562.65/1,050,287.67 = 489,101.95/x
  3. Step 3: Cross multiply
    760,562.65x = 1,050,287.67 × 489,101.95
  4. Step 4: Simplify right side
    760,562.65x = 513,697,747,457.96
  5. Step 5: Solve for x
    x = 513,697,747,457.96/760,562.65
  6. Step 6: Final answer
    x = 675,418.06

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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.