Home / 739,048.86-1,020,164.76-484,416.45

Finding the Fourth Proportional to 739,048.86, 1,020,164.76 and 484,416.45

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Solution

The fourth proportional to 739,048.86, 1,020,164.76 and 484,416.45 is: 668,676.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,048.86 : 1,020,164.76 = 484,416.45 : x
  2. Step 2: Convert to fraction form
    739,048.86/1,020,164.76 = 484,416.45/x
  3. Step 3: Cross multiply
    739,048.86x = 1,020,164.76 × 484,416.45
  4. Step 4: Simplify right side
    739,048.86x = 494,184,591,454.30
  5. Step 5: Solve for x
    x = 494,184,591,454.30/739,048.86
  6. Step 6: Final answer
    x = 668,676.48

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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.