Home / 870,880.92-1,201,605.34-508,097.72

Finding the Fourth Proportional to 870,880.92, 1,201,605.34 and 508,097.72

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Solution

The fourth proportional to 870,880.92, 1,201,605.34 and 508,097.72 is: 701,052.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,880.92 : 1,201,605.34 = 508,097.72 : x
  2. Step 2: Convert to fraction form
    870,880.92/1,201,605.34 = 508,097.72/x
  3. Step 3: Cross multiply
    870,880.92x = 1,201,605.34 × 508,097.72
  4. Step 4: Simplify right side
    870,880.92x = 610,532,933,593.83
  5. Step 5: Solve for x
    x = 610,532,933,593.83/870,880.92
  6. Step 6: Final answer
    x = 701,052.14

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Double scale
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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.