Home / 719,159.36-1,078,914.60-239,386.22

Finding the Fourth Proportional to 719,159.36, 1,078,914.60 and 239,386.22

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Solution

The fourth proportional to 719,159.36, 1,078,914.60 and 239,386.22 is: 359,137.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,159.36 : 1,078,914.60 = 239,386.22 : x
  2. Step 2: Convert to fraction form
    719,159.36/1,078,914.60 = 239,386.22/x
  3. Step 3: Cross multiply
    719,159.36x = 1,078,914.60 × 239,386.22
  4. Step 4: Simplify right side
    719,159.36x = 258,277,287,796.81
  5. Step 5: Solve for x
    x = 258,277,287,796.81/719,159.36
  6. Step 6: Final answer
    x = 359,137.77

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1.5x scale

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.