Home / 856,055.01-1,179,453.76-565,148.48

Finding the Fourth Proportional to 856,055.01, 1,179,453.76 and 565,148.48

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Solution

The fourth proportional to 856,055.01, 1,179,453.76 and 565,148.48 is: 778,649.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,055.01 : 1,179,453.76 = 565,148.48 : x
  2. Step 2: Convert to fraction form
    856,055.01/1,179,453.76 = 565,148.48/x
  3. Step 3: Cross multiply
    856,055.01x = 1,179,453.76 × 565,148.48
  4. Step 4: Simplify right side
    856,055.01x = 666,566,492,384.15
  5. Step 5: Solve for x
    x = 666,566,492,384.15/856,055.01
  6. Step 6: Final answer
    x = 778,649.13

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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.