Home / 761,918.67-1,141,875.18-425,117.88

Finding the Fourth Proportional to 761,918.67, 1,141,875.18 and 425,117.88

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Solution

The fourth proportional to 761,918.67, 1,141,875.18 and 425,117.88 is: 637,117.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,918.67 : 1,141,875.18 = 425,117.88 : x
  2. Step 2: Convert to fraction form
    761,918.67/1,141,875.18 = 425,117.88/x
  3. Step 3: Cross multiply
    761,918.67x = 1,141,875.18 × 425,117.88
  4. Step 4: Simplify right side
    761,918.67x = 485,431,555,746.22
  5. Step 5: Solve for x
    x = 485,431,555,746.22/761,918.67
  6. Step 6: Final answer
    x = 637,117.29

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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.