Home / 872,834.40-1,205,074.08-562,875.60

Finding the Fourth Proportional to 872,834.40, 1,205,074.08 and 562,875.60

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Solution

The fourth proportional to 872,834.40, 1,205,074.08 and 562,875.60 is: 777,131.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,834.40 : 1,205,074.08 = 562,875.60 : x
  2. Step 2: Convert to fraction form
    872,834.40/1,205,074.08 = 562,875.60/x
  3. Step 3: Cross multiply
    872,834.40x = 1,205,074.08 × 562,875.60
  4. Step 4: Simplify right side
    872,834.40x = 678,306,795,824.45
  5. Step 5: Solve for x
    x = 678,306,795,824.45/872,834.40
  6. Step 6: Final answer
    x = 777,131.14

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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.