Home / 976,817.36-1,465,004.64-345,731.24

Finding the Fourth Proportional to 976,817.36, 1,465,004.64 and 345,731.24

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Solution

The fourth proportional to 976,817.36, 1,465,004.64 and 345,731.24 is: 518,518.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,817.36 : 1,465,004.64 = 345,731.24 : x
  2. Step 2: Convert to fraction form
    976,817.36/1,465,004.64 = 345,731.24/x
  3. Step 3: Cross multiply
    976,817.36x = 1,465,004.64 × 345,731.24
  4. Step 4: Simplify right side
    976,817.36x = 506,497,875,751.96
  5. Step 5: Solve for x
    x = 506,497,875,751.96/976,817.36
  6. Step 6: Final answer
    x = 518,518.50

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1.5x scale

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.