Home / 780,570.66-1,077,369.52-508,166.45

Finding the Fourth Proportional to 780,570.66, 1,077,369.52 and 508,166.45

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Solution

The fourth proportional to 780,570.66, 1,077,369.52 and 508,166.45 is: 701,388.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,570.66 : 1,077,369.52 = 508,166.45 : x
  2. Step 2: Convert to fraction form
    780,570.66/1,077,369.52 = 508,166.45/x
  3. Step 3: Cross multiply
    780,570.66x = 1,077,369.52 × 508,166.45
  4. Step 4: Simplify right side
    780,570.66x = 547,483,044,316.60
  5. Step 5: Solve for x
    x = 547,483,044,316.60/780,570.66
  6. Step 6: Final answer
    x = 701,388.19

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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.