Home / 749,870.66-1,034,841.84-459,477.20

Finding the Fourth Proportional to 749,870.66, 1,034,841.84 and 459,477.20

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Solution

The fourth proportional to 749,870.66, 1,034,841.84 and 459,477.20 is: 634,090.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,870.66 : 1,034,841.84 = 459,477.20 : x
  2. Step 2: Convert to fraction form
    749,870.66/1,034,841.84 = 459,477.20/x
  3. Step 3: Cross multiply
    749,870.66x = 1,034,841.84 × 459,477.20
  4. Step 4: Simplify right side
    749,870.66x = 475,486,231,086.05
  5. Step 5: Solve for x
    x = 475,486,231,086.05/749,870.66
  6. Step 6: Final answer
    x = 634,090.99

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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.