Home / 899,307.32-1,346,543.78-685,054.68

Finding the Fourth Proportional to 899,307.32, 1,346,543.78 and 685,054.68

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Solution

The fourth proportional to 899,307.32, 1,346,543.78 and 685,054.68 is: 1,025,740.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,307.32 : 1,346,543.78 = 685,054.68 : x
  2. Step 2: Convert to fraction form
    899,307.32/1,346,543.78 = 685,054.68/x
  3. Step 3: Cross multiply
    899,307.32x = 1,346,543.78 × 685,054.68
  4. Step 4: Simplify right side
    899,307.32x = 922,456,118,313.89
  5. Step 5: Solve for x
    x = 922,456,118,313.89/899,307.32
  6. Step 6: Final answer
    x = 1,025,740.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.