Home / 780,055.40-1,170,083.10-360,151.40

Finding the Fourth Proportional to 780,055.40, 1,170,083.10 and 360,151.40

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Solution

The fourth proportional to 780,055.40, 1,170,083.10 and 360,151.40 is: 540,227.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,055.40 : 1,170,083.10 = 360,151.40 : x
  2. Step 2: Convert to fraction form
    780,055.40/1,170,083.10 = 360,151.40/x
  3. Step 3: Cross multiply
    780,055.40x = 1,170,083.10 × 360,151.40
  4. Step 4: Simplify right side
    780,055.40x = 421,407,066,581.34
  5. Step 5: Solve for x
    x = 421,407,066,581.34/780,055.40
  6. Step 6: Final answer
    x = 540,227.10

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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.