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Finding the Fourth Proportional to 540,363.65, 810,544.38 and 507,480.74

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Solution

The fourth proportional to 540,363.65, 810,544.38 and 507,480.74 is: 761,220.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,363.65 : 810,544.38 = 507,480.74 : x
  2. Step 2: Convert to fraction form
    540,363.65/810,544.38 = 507,480.74/x
  3. Step 3: Cross multiply
    540,363.65x = 810,544.38 × 507,480.74
  4. Step 4: Simplify right side
    540,363.65x = 411,335,657,712.52
  5. Step 5: Solve for x
    x = 411,335,657,712.52/540,363.65
  6. Step 6: Final answer
    x = 761,220.08

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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.