Home / 910,427.75-1,256,390.40-502,529.73

Finding the Fourth Proportional to 910,427.75, 1,256,390.40 and 502,529.73

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Solution

The fourth proportional to 910,427.75, 1,256,390.40 and 502,529.73 is: 693,491.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,427.75 : 1,256,390.40 = 502,529.73 : x
  2. Step 2: Convert to fraction form
    910,427.75/1,256,390.40 = 502,529.73/x
  3. Step 3: Cross multiply
    910,427.75x = 1,256,390.40 × 502,529.73
  4. Step 4: Simplify right side
    910,427.75x = 631,373,528,486.59
  5. Step 5: Solve for x
    x = 631,373,528,486.59/910,427.75
  6. Step 6: Final answer
    x = 693,491.09

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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.