Home / 910,035.06-1,255,840.49-502,140.73

Finding the Fourth Proportional to 910,035.06, 1,255,840.49 and 502,140.73

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Solution

The fourth proportional to 910,035.06, 1,255,840.49 and 502,140.73 is: 692,949.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,035.06 : 1,255,840.49 = 502,140.73 : x
  2. Step 2: Convert to fraction form
    910,035.06/1,255,840.49 = 502,140.73/x
  3. Step 3: Cross multiply
    910,035.06x = 1,255,840.49 × 502,140.73
  4. Step 4: Simplify right side
    910,035.06x = 630,608,660,412.16
  5. Step 5: Solve for x
    x = 630,608,660,412.16/910,035.06
  6. Step 6: Final answer
    x = 692,949.85

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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.