Home / 910,623.20-1,256,662.11-502,725.32

Finding the Fourth Proportional to 910,623.20, 1,256,662.11 and 502,725.32

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Solution

The fourth proportional to 910,623.20, 1,256,662.11 and 502,725.32 is: 693,762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,623.20 : 1,256,662.11 = 502,725.32 : x
  2. Step 2: Convert to fraction form
    910,623.20/1,256,662.11 = 502,725.32/x
  3. Step 3: Cross multiply
    910,623.20x = 1,256,662.11 × 502,725.32
  4. Step 4: Simplify right side
    910,623.20x = 631,755,861,696.02
  5. Step 5: Solve for x
    x = 631,755,861,696.02/910,623.20
  6. Step 6: Final answer
    x = 693,762.10

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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.