Home / 486,242.02-670,715.67-322,905.52

Finding the Fourth Proportional to 486,242.02, 670,715.67 and 322,905.52

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Solution

The fourth proportional to 486,242.02, 670,715.67 and 322,905.52 is: 445,411.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,242.02 : 670,715.67 = 322,905.52 : x
  2. Step 2: Convert to fraction form
    486,242.02/670,715.67 = 322,905.52/x
  3. Step 3: Cross multiply
    486,242.02x = 670,715.67 × 322,905.52
  4. Step 4: Simplify right side
    486,242.02x = 216,577,792,193.50
  5. Step 5: Solve for x
    x = 216,577,792,193.50/486,242.02
  6. Step 6: Final answer
    x = 445,411.51

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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.