Home / 885,719.40-1,328,579.10-761,303.40

Finding the Fourth Proportional to 885,719.40, 1,328,579.10 and 761,303.40

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Solution

The fourth proportional to 885,719.40, 1,328,579.10 and 761,303.40 is: 1,141,955.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,719.40 : 1,328,579.10 = 761,303.40 : x
  2. Step 2: Convert to fraction form
    885,719.40/1,328,579.10 = 761,303.40/x
  3. Step 3: Cross multiply
    885,719.40x = 1,328,579.10 × 761,303.40
  4. Step 4: Simplify right side
    885,719.40x = 1,011,451,785,998.94
  5. Step 5: Solve for x
    x = 1,011,451,785,998.94/885,719.40
  6. Step 6: Final answer
    x = 1,141,955.10

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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.