Home / 991,990.91-1,369,054.51-562,224.89

Finding the Fourth Proportional to 991,990.91, 1,369,054.51 and 562,224.89

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Solution

The fourth proportional to 991,990.91, 1,369,054.51 and 562,224.89 is: 775,931.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,990.91 : 1,369,054.51 = 562,224.89 : x
  2. Step 2: Convert to fraction form
    991,990.91/1,369,054.51 = 562,224.89/x
  3. Step 3: Cross multiply
    991,990.91x = 1,369,054.51 × 562,224.89
  4. Step 4: Simplify right side
    991,990.91x = 769,716,523,305.83
  5. Step 5: Solve for x
    x = 769,716,523,305.83/991,990.91
  6. Step 6: Final answer
    x = 775,931.02

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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.