Home / 772,300.55-1,158,643.77-545,039.89

Finding the Fourth Proportional to 772,300.55, 1,158,643.77 and 545,039.89

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Solution

The fourth proportional to 772,300.55, 1,158,643.77 and 545,039.89 is: 817,696.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,300.55 : 1,158,643.77 = 545,039.89 : x
  2. Step 2: Convert to fraction form
    772,300.55/1,158,643.77 = 545,039.89/x
  3. Step 3: Cross multiply
    772,300.55x = 1,158,643.77 × 545,039.89
  4. Step 4: Simplify right side
    772,300.55x = 631,507,070,053.38
  5. Step 5: Solve for x
    x = 631,507,070,053.38/772,300.55
  6. Step 6: Final answer
    x = 817,696.00

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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.