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Finding the Fourth Proportional to 609,294.94, 840,855.89 and 367,572.32

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Solution

The fourth proportional to 609,294.94, 840,855.89 and 367,572.32 is: 507,267.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,294.94 : 840,855.89 = 367,572.32 : x
  2. Step 2: Convert to fraction form
    609,294.94/840,855.89 = 367,572.32/x
  3. Step 3: Cross multiply
    609,294.94x = 840,855.89 × 367,572.32
  4. Step 4: Simplify right side
    609,294.94x = 309,075,350,140.83
  5. Step 5: Solve for x
    x = 309,075,350,140.83/609,294.94
  6. Step 6: Final answer
    x = 507,267.22

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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.