Home / 948,688.80-1,423,839.60-388,125.60

Finding the Fourth Proportional to 948,688.80, 1,423,839.60 and 388,125.60

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Solution

The fourth proportional to 948,688.80, 1,423,839.60 and 388,125.60 is: 582,518.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,688.80 : 1,423,839.60 = 388,125.60 : x
  2. Step 2: Convert to fraction form
    948,688.80/1,423,839.60 = 388,125.60/x
  3. Step 3: Cross multiply
    948,688.80x = 1,423,839.60 × 388,125.60
  4. Step 4: Simplify right side
    948,688.80x = 552,628,599,053.76
  5. Step 5: Solve for x
    x = 552,628,599,053.76/948,688.80
  6. Step 6: Final answer
    x = 582,518.31

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1.5x scale

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.