Home / 722,973.72-997,703.70-400,732.22

Finding the Fourth Proportional to 722,973.72, 997,703.70 and 400,732.22

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Solution

The fourth proportional to 722,973.72, 997,703.70 and 400,732.22 is: 553,010.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,973.72 : 997,703.70 = 400,732.22 : x
  2. Step 2: Convert to fraction form
    722,973.72/997,703.70 = 400,732.22/x
  3. Step 3: Cross multiply
    722,973.72x = 997,703.70 × 400,732.22
  4. Step 4: Simplify right side
    722,973.72x = 399,812,018,603.21
  5. Step 5: Solve for x
    x = 399,812,018,603.21/722,973.72
  6. Step 6: Final answer
    x = 553,010.44

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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.