Home / 763,125.80-1,146,000.90-540,051.80

Finding the Fourth Proportional to 763,125.80, 1,146,000.90 and 540,051.80

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Solution

The fourth proportional to 763,125.80, 1,146,000.90 and 540,051.80 is: 811,006.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,125.80 : 1,146,000.90 = 540,051.80 : x
  2. Step 2: Convert to fraction form
    763,125.80/1,146,000.90 = 540,051.80/x
  3. Step 3: Cross multiply
    763,125.80x = 1,146,000.90 × 540,051.80
  4. Step 4: Simplify right side
    763,125.80x = 618,899,848,846.62
  5. Step 5: Solve for x
    x = 618,899,848,846.62/763,125.80
  6. Step 6: Final answer
    x = 811,006.32

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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.