Home / 916,497.36-1,264,774.20-508,626.72

Finding the Fourth Proportional to 916,497.36, 1,264,774.20 and 508,626.72

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Solution

The fourth proportional to 916,497.36, 1,264,774.20 and 508,626.72 is: 701,909.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,497.36 : 1,264,774.20 = 508,626.72 : x
  2. Step 2: Convert to fraction form
    916,497.36/1,264,774.20 = 508,626.72/x
  3. Step 3: Cross multiply
    916,497.36x = 1,264,774.20 × 508,626.72
  4. Step 4: Simplify right side
    916,497.36x = 643,297,952,886.62
  5. Step 5: Solve for x
    x = 643,297,952,886.62/916,497.36
  6. Step 6: Final answer
    x = 701,909.23

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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.