Home / 739,477.42-1,020,477.63-417,186.70

Finding the Fourth Proportional to 739,477.42, 1,020,477.63 and 417,186.70

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Solution

The fourth proportional to 739,477.42, 1,020,477.63 and 417,186.70 is: 575,716.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,477.42 : 1,020,477.63 = 417,186.70 : x
  2. Step 2: Convert to fraction form
    739,477.42/1,020,477.63 = 417,186.70/x
  3. Step 3: Cross multiply
    739,477.42x = 1,020,477.63 × 417,186.70
  4. Step 4: Simplify right side
    739,477.42x = 425,729,694,883.52
  5. Step 5: Solve for x
    x = 425,729,694,883.52/739,477.42
  6. Step 6: Final answer
    x = 575,716.96

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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.