Home / 747,141.93-1,031,054.85-407,610.18

Finding the Fourth Proportional to 747,141.93, 1,031,054.85 and 407,610.18

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Solution

The fourth proportional to 747,141.93, 1,031,054.85 and 407,610.18 is: 562,501.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,141.93 : 1,031,054.85 = 407,610.18 : x
  2. Step 2: Convert to fraction form
    747,141.93/1,031,054.85 = 407,610.18/x
  3. Step 3: Cross multiply
    747,141.93x = 1,031,054.85 × 407,610.18
  4. Step 4: Simplify right side
    747,141.93x = 420,268,452,998.37
  5. Step 5: Solve for x
    x = 420,268,452,998.37/747,141.93
  6. Step 6: Final answer
    x = 562,501.50

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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.