Home / 651,244.36-977,200.12-310,073.88

Finding the Fourth Proportional to 651,244.36, 977,200.12 and 310,073.88

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Solution

The fourth proportional to 651,244.36, 977,200.12 and 310,073.88 is: 465,269.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,244.36 : 977,200.12 = 310,073.88 : x
  2. Step 2: Convert to fraction form
    651,244.36/977,200.12 = 310,073.88/x
  3. Step 3: Cross multiply
    651,244.36x = 977,200.12 × 310,073.88
  4. Step 4: Simplify right side
    651,244.36x = 303,004,232,744.87
  5. Step 5: Solve for x
    x = 303,004,232,744.87/651,244.36
  6. Step 6: Final answer
    x = 465,269.65

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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.