Home / 761,857.79-1,141,784.03-425,057.02

Finding the Fourth Proportional to 761,857.79, 1,141,784.03 and 425,057.02

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Solution

The fourth proportional to 761,857.79, 1,141,784.03 and 425,057.02 is: 637,026.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,857.79 : 1,141,784.03 = 425,057.02 : x
  2. Step 2: Convert to fraction form
    761,857.79/1,141,784.03 = 425,057.02/x
  3. Step 3: Cross multiply
    761,857.79x = 1,141,784.03 × 425,057.02
  4. Step 4: Simplify right side
    761,857.79x = 485,323,315,483.57
  5. Step 5: Solve for x
    x = 485,323,315,483.57/761,857.79
  6. Step 6: Final answer
    x = 637,026.13

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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.