Home / 851,317.63-1,174,817.95-488,764.87

Finding the Fourth Proportional to 851,317.63, 1,174,817.95 and 488,764.87

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Solution

The fourth proportional to 851,317.63, 1,174,817.95 and 488,764.87 is: 674,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,317.63 : 1,174,817.95 = 488,764.87 : x
  2. Step 2: Convert to fraction form
    851,317.63/1,174,817.95 = 488,764.87/x
  3. Step 3: Cross multiply
    851,317.63x = 1,174,817.95 × 488,764.87
  4. Step 4: Simplify right side
    851,317.63x = 574,209,742,605.42
  5. Step 5: Solve for x
    x = 574,209,742,605.42/851,317.63
  6. Step 6: Final answer
    x = 674,495.30

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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.