Home / 760,918.10-1,141,341.60-311,527.88

Finding the Fourth Proportional to 760,918.10, 1,141,341.60 and 311,527.88

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Solution

The fourth proportional to 760,918.10, 1,141,341.60 and 311,527.88 is: 467,277.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,918.10 : 1,141,341.60 = 311,527.88 : x
  2. Step 2: Convert to fraction form
    760,918.10/1,141,341.60 = 311,527.88/x
  3. Step 3: Cross multiply
    760,918.10x = 1,141,341.60 × 311,527.88
  4. Step 4: Simplify right side
    760,918.10x = 355,559,723,297.10
  5. Step 5: Solve for x
    x = 355,559,723,297.10/760,918.10
  6. Step 6: Final answer
    x = 467,277.26

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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.