Home / 910,115.28-1,255,902.60-502,220.34

Finding the Fourth Proportional to 910,115.28, 1,255,902.60 and 502,220.34

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Solution

The fourth proportional to 910,115.28, 1,255,902.60 and 502,220.34 is: 693,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,115.28 : 1,255,902.60 = 502,220.34 : x
  2. Step 2: Convert to fraction form
    910,115.28/1,255,902.60 = 502,220.34/x
  3. Step 3: Cross multiply
    910,115.28x = 1,255,902.60 × 502,220.34
  4. Step 4: Simplify right side
    910,115.28x = 630,739,830,778.88
  5. Step 5: Solve for x
    x = 630,739,830,778.88/910,115.28
  6. Step 6: Final answer
    x = 693,032.90

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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.