Home / 764,549.56-1,146,962.58-315,020.35

Finding the Fourth Proportional to 764,549.56, 1,146,962.58 and 315,020.35

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Solution

The fourth proportional to 764,549.56, 1,146,962.58 and 315,020.35 is: 472,587.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,549.56 : 1,146,962.58 = 315,020.35 : x
  2. Step 2: Convert to fraction form
    764,549.56/1,146,962.58 = 315,020.35/x
  3. Step 3: Cross multiply
    764,549.56x = 1,146,962.58 × 315,020.35
  4. Step 4: Simplify right side
    764,549.56x = 361,316,553,388.50
  5. Step 5: Solve for x
    x = 361,316,553,388.50/764,549.56
  6. Step 6: Final answer
    x = 472,587.48

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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.