Home / 460,484.36-690,710.93-140,623.29

Finding the Fourth Proportional to 460,484.36, 690,710.93 and 140,623.29

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Solution

The fourth proportional to 460,484.36, 690,710.93 and 140,623.29 is: 210,930.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,484.36 : 690,710.93 = 140,623.29 : x
  2. Step 2: Convert to fraction form
    460,484.36/690,710.93 = 140,623.29/x
  3. Step 3: Cross multiply
    460,484.36x = 690,710.93 × 140,623.29
  4. Step 4: Simplify right side
    460,484.36x = 97,130,043,239.78
  5. Step 5: Solve for x
    x = 97,130,043,239.78/460,484.36
  6. Step 6: Final answer
    x = 210,930.17

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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.