Home / 772,300.36-1,158,643.49-545,039.71

Finding the Fourth Proportional to 772,300.36, 1,158,643.49 and 545,039.71

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Solution

The fourth proportional to 772,300.36, 1,158,643.49 and 545,039.71 is: 817,695.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,300.36 : 1,158,643.49 = 545,039.71 : x
  2. Step 2: Convert to fraction form
    772,300.36/1,158,643.49 = 545,039.71/x
  3. Step 3: Cross multiply
    772,300.36x = 1,158,643.49 × 545,039.71
  4. Step 4: Simplify right side
    772,300.36x = 631,506,706,161.18
  5. Step 5: Solve for x
    x = 631,506,706,161.18/772,300.36
  6. Step 6: Final answer
    x = 817,695.73

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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.