Home / 708,213.66-977,329.44-385,922.76

Finding the Fourth Proportional to 708,213.66, 977,329.44 and 385,922.76

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Solution

The fourth proportional to 708,213.66, 977,329.44 and 385,922.76 is: 532,570.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,213.66 : 977,329.44 = 385,922.76 : x
  2. Step 2: Convert to fraction form
    708,213.66/977,329.44 = 385,922.76/x
  3. Step 3: Cross multiply
    708,213.66x = 977,329.44 × 385,922.76
  4. Step 4: Simplify right side
    708,213.66x = 377,173,674,914.05
  5. Step 5: Solve for x
    x = 377,173,674,914.05/708,213.66
  6. Step 6: Final answer
    x = 532,570.46

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1.5x scale

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.