Home / 719,008.92-1,078,513.38-245,698.38

Finding the Fourth Proportional to 719,008.92, 1,078,513.38 and 245,698.38

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Solution

The fourth proportional to 719,008.92, 1,078,513.38 and 245,698.38 is: 368,547.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,008.92 : 1,078,513.38 = 245,698.38 : x
  2. Step 2: Convert to fraction form
    719,008.92/1,078,513.38 = 245,698.38/x
  3. Step 3: Cross multiply
    719,008.92x = 1,078,513.38 × 245,698.38
  4. Step 4: Simplify right side
    719,008.92x = 264,988,990,274.32
  5. Step 5: Solve for x
    x = 264,988,990,274.32/719,008.92
  6. Step 6: Final answer
    x = 368,547.57

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Double scale
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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.