Home / 904,212.48-1,247,788.56-496,313.76

Finding the Fourth Proportional to 904,212.48, 1,247,788.56 and 496,313.76

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Solution

The fourth proportional to 904,212.48, 1,247,788.56 and 496,313.76 is: 684,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,212.48 : 1,247,788.56 = 496,313.76 : x
  2. Step 2: Convert to fraction form
    904,212.48/1,247,788.56 = 496,313.76/x
  3. Step 3: Cross multiply
    904,212.48x = 1,247,788.56 × 496,313.76
  4. Step 4: Simplify right side
    904,212.48x = 619,294,631,898.59
  5. Step 5: Solve for x
    x = 619,294,631,898.59/904,212.48
  6. Step 6: Final answer
    x = 684,899.45

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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.