Home / 739,426.57-1,020,418.59-417,135.67

Finding the Fourth Proportional to 739,426.57, 1,020,418.59 and 417,135.67

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Solution

The fourth proportional to 739,426.57, 1,020,418.59 and 417,135.67 is: 575,652.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,426.57 : 1,020,418.59 = 417,135.67 : x
  2. Step 2: Convert to fraction form
    739,426.57/1,020,418.59 = 417,135.67/x
  3. Step 3: Cross multiply
    739,426.57x = 1,020,418.59 × 417,135.67
  4. Step 4: Simplify right side
    739,426.57x = 425,652,993,453.59
  5. Step 5: Solve for x
    x = 425,652,993,453.59/739,426.57
  6. Step 6: Final answer
    x = 575,652.82

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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.