Home / 772,232.84-1,064,500.08-542,144.64

Finding the Fourth Proportional to 772,232.84, 1,064,500.08 and 542,144.64

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Solution

The fourth proportional to 772,232.84, 1,064,500.08 and 542,144.64 is: 747,330.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,232.84 : 1,064,500.08 = 542,144.64 : x
  2. Step 2: Convert to fraction form
    772,232.84/1,064,500.08 = 542,144.64/x
  3. Step 3: Cross multiply
    772,232.84x = 1,064,500.08 × 542,144.64
  4. Step 4: Simplify right side
    772,232.84x = 577,113,014,610.40
  5. Step 5: Solve for x
    x = 577,113,014,610.40/772,232.84
  6. Step 6: Final answer
    x = 747,330.32

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Double scale
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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.