Home / 806,486.40-1,210,118.40-569,318.40

Finding the Fourth Proportional to 806,486.40, 1,210,118.40 and 569,318.40

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Solution

The fourth proportional to 806,486.40, 1,210,118.40 and 569,318.40 is: 854,252.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,486.40 : 1,210,118.40 = 569,318.40 : x
  2. Step 2: Convert to fraction form
    806,486.40/1,210,118.40 = 569,318.40/x
  3. Step 3: Cross multiply
    806,486.40x = 1,210,118.40 × 569,318.40
  4. Step 4: Simplify right side
    806,486.40x = 688,942,671,298.56
  5. Step 5: Solve for x
    x = 688,942,671,298.56/806,486.40
  6. Step 6: Final answer
    x = 854,252.06

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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.