Home / 847,914.36-1,170,066.78-485,341.08

Finding the Fourth Proportional to 847,914.36, 1,170,066.78 and 485,341.08

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Solution

The fourth proportional to 847,914.36, 1,170,066.78 and 485,341.08 is: 669,739.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,914.36 : 1,170,066.78 = 485,341.08 : x
  2. Step 2: Convert to fraction form
    847,914.36/1,170,066.78 = 485,341.08/x
  3. Step 3: Cross multiply
    847,914.36x = 1,170,066.78 × 485,341.08
  4. Step 4: Simplify right side
    847,914.36x = 567,881,474,677.32
  5. Step 5: Solve for x
    x = 567,881,474,677.32/847,914.36
  6. Step 6: Final answer
    x = 669,739.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.