Home / 875,846.30-1,314,352.65-402,287.90

Finding the Fourth Proportional to 875,846.30, 1,314,352.65 and 402,287.90

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Solution

The fourth proportional to 875,846.30, 1,314,352.65 and 402,287.90 is: 603,699.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,846.30 : 1,314,352.65 = 402,287.90 : x
  2. Step 2: Convert to fraction form
    875,846.30/1,314,352.65 = 402,287.90/x
  3. Step 3: Cross multiply
    875,846.30x = 1,314,352.65 × 402,287.90
  4. Step 4: Simplify right side
    875,846.30x = 528,748,167,427.94
  5. Step 5: Solve for x
    x = 528,748,167,427.94/875,846.30
  6. Step 6: Final answer
    x = 603,699.72

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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.