Home / 628,688.04-943,032.94-155,366.20

Finding the Fourth Proportional to 628,688.04, 943,032.94 and 155,366.20

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Solution

The fourth proportional to 628,688.04, 943,032.94 and 155,366.20 is: 233,049.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,688.04 : 943,032.94 = 155,366.20 : x
  2. Step 2: Convert to fraction form
    628,688.04/943,032.94 = 155,366.20/x
  3. Step 3: Cross multiply
    628,688.04x = 943,032.94 × 155,366.20
  4. Step 4: Simplify right side
    628,688.04x = 146,515,444,362.63
  5. Step 5: Solve for x
    x = 146,515,444,362.63/628,688.04
  6. Step 6: Final answer
    x = 233,049.52

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Similar ratio
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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.