Home / 910,150.56-1,255,998.96-502,256.16

Finding the Fourth Proportional to 910,150.56, 1,255,998.96 and 502,256.16

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Solution

The fourth proportional to 910,150.56, 1,255,998.96 and 502,256.16 is: 693,108.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,150.56 : 1,255,998.96 = 502,256.16 : x
  2. Step 2: Convert to fraction form
    910,150.56/1,255,998.96 = 502,256.16/x
  3. Step 3: Cross multiply
    910,150.56x = 1,255,998.96 × 502,256.16
  4. Step 4: Simplify right side
    910,150.56x = 630,833,214,613.59
  5. Step 5: Solve for x
    x = 630,833,214,613.59/910,150.56
  6. Step 6: Final answer
    x = 693,108.64

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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.