Home / 460,427.24-690,699.18-128,003.24

Finding the Fourth Proportional to 460,427.24, 690,699.18 and 128,003.24

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Solution

The fourth proportional to 460,427.24, 690,699.18 and 128,003.24 is: 192,021.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,427.24 : 690,699.18 = 128,003.24 : x
  2. Step 2: Convert to fraction form
    460,427.24/690,699.18 = 128,003.24/x
  3. Step 3: Cross multiply
    460,427.24x = 690,699.18 × 128,003.24
  4. Step 4: Simplify right side
    460,427.24x = 88,411,732,905.34
  5. Step 5: Solve for x
    x = 88,411,732,905.34/460,427.24
  6. Step 6: Final answer
    x = 192,021.07

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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.