Home / 772,161.40-1,158,069.30-507,777.40

Finding the Fourth Proportional to 772,161.40, 1,158,069.30 and 507,777.40

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Solution

The fourth proportional to 772,161.40, 1,158,069.30 and 507,777.40 is: 761,552.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,161.40 : 1,158,069.30 = 507,777.40 : x
  2. Step 2: Convert to fraction form
    772,161.40/1,158,069.30 = 507,777.40/x
  3. Step 3: Cross multiply
    772,161.40x = 1,158,069.30 × 507,777.40
  4. Step 4: Simplify right side
    772,161.40x = 588,041,418,173.82
  5. Step 5: Solve for x
    x = 588,041,418,173.82/772,161.40
  6. Step 6: Final answer
    x = 761,552.47

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Double scale
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1.5x scale

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.