Home / 905,875.19-1,250,123.57-497,994.22

Finding the Fourth Proportional to 905,875.19, 1,250,123.57 and 497,994.22

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Solution

The fourth proportional to 905,875.19, 1,250,123.57 and 497,994.22 is: 687,240.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,875.19 : 1,250,123.57 = 497,994.22 : x
  2. Step 2: Convert to fraction form
    905,875.19/1,250,123.57 = 497,994.22/x
  3. Step 3: Cross multiply
    905,875.19x = 1,250,123.57 × 497,994.22
  4. Step 4: Simplify right side
    905,875.19x = 622,554,312,145.77
  5. Step 5: Solve for x
    x = 622,554,312,145.77/905,875.19
  6. Step 6: Final answer
    x = 687,240.71

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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.