Home / 904,420.36-1,248,114.74-496,559.80

Finding the Fourth Proportional to 904,420.36, 1,248,114.74 and 496,559.80

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Solution

The fourth proportional to 904,420.36, 1,248,114.74 and 496,559.80 is: 685,260.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,420.36 : 1,248,114.74 = 496,559.80 : x
  2. Step 2: Convert to fraction form
    904,420.36/1,248,114.74 = 496,559.80/x
  3. Step 3: Cross multiply
    904,420.36x = 1,248,114.74 × 496,559.80
  4. Step 4: Simplify right side
    904,420.36x = 619,763,605,671.45
  5. Step 5: Solve for x
    x = 619,763,605,671.45/904,420.36
  6. Step 6: Final answer
    x = 685,260.56

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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.