Home / 581,162.16-870,119.04-313,965.36

Finding the Fourth Proportional to 581,162.16, 870,119.04 and 313,965.36

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Solution

The fourth proportional to 581,162.16, 870,119.04 and 313,965.36 is: 470,070.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,162.16 : 870,119.04 = 313,965.36 : x
  2. Step 2: Convert to fraction form
    581,162.16/870,119.04 = 313,965.36/x
  3. Step 3: Cross multiply
    581,162.16x = 870,119.04 × 313,965.36
  4. Step 4: Simplify right side
    581,162.16x = 273,187,237,636.45
  5. Step 5: Solve for x
    x = 273,187,237,636.45/581,162.16
  6. Step 6: Final answer
    x = 470,070.59

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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.