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Finding the Fourth Proportional to 637,017.48, 879,120.41 and 365,130.59

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Solution

The fourth proportional to 637,017.48, 879,120.41 and 365,130.59 is: 503,901.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,017.48 : 879,120.41 = 365,130.59 : x
  2. Step 2: Convert to fraction form
    637,017.48/879,120.41 = 365,130.59/x
  3. Step 3: Cross multiply
    637,017.48x = 879,120.41 × 365,130.59
  4. Step 4: Simplify right side
    637,017.48x = 320,993,747,763.09
  5. Step 5: Solve for x
    x = 320,993,747,763.09/637,017.48
  6. Step 6: Final answer
    x = 503,901.00

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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.