Home / 802,717.60-1,107,707.73-458,485.93

Finding the Fourth Proportional to 802,717.60, 1,107,707.73 and 458,485.93

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Solution

The fourth proportional to 802,717.60, 1,107,707.73 and 458,485.93 is: 632,686.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,717.60 : 1,107,707.73 = 458,485.93 : x
  2. Step 2: Convert to fraction form
    802,717.60/1,107,707.73 = 458,485.93/x
  3. Step 3: Cross multiply
    802,717.60x = 1,107,707.73 × 458,485.93
  4. Step 4: Simplify right side
    802,717.60x = 507,868,408,757.24
  5. Step 5: Solve for x
    x = 507,868,408,757.24/802,717.60
  6. Step 6: Final answer
    x = 632,686.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.