Home / 875,823.05-1,314,317.78-402,264.65

Finding the Fourth Proportional to 875,823.05, 1,314,317.78 and 402,264.65

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Solution

The fourth proportional to 875,823.05, 1,314,317.78 and 402,264.65 is: 603,664.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,823.05 : 1,314,317.78 = 402,264.65 : x
  2. Step 2: Convert to fraction form
    875,823.05/1,314,317.78 = 402,264.65/x
  3. Step 3: Cross multiply
    875,823.05x = 1,314,317.78 × 402,264.65
  4. Step 4: Simplify right side
    875,823.05x = 528,703,579,749.15
  5. Step 5: Solve for x
    x = 528,703,579,749.15/875,823.05
  6. Step 6: Final answer
    x = 603,664.84

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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.