Home / 540,965.03-746,466.69-311,596.91

Finding the Fourth Proportional to 540,965.03, 746,466.69 and 311,596.91

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Solution

The fourth proportional to 540,965.03, 746,466.69 and 311,596.91 is: 429,966.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,965.03 : 746,466.69 = 311,596.91 : x
  2. Step 2: Convert to fraction form
    540,965.03/746,466.69 = 311,596.91/x
  3. Step 3: Cross multiply
    540,965.03x = 746,466.69 × 311,596.91
  4. Step 4: Simplify right side
    540,965.03x = 232,596,716,703.48
  5. Step 5: Solve for x
    x = 232,596,716,703.48/540,965.03
  6. Step 6: Final answer
    x = 429,966.27

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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.