Home / 760,217.05-1,140,325.54-349,844.93

Finding the Fourth Proportional to 760,217.05, 1,140,325.54 and 349,844.93

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Solution

The fourth proportional to 760,217.05, 1,140,325.54 and 349,844.93 is: 524,767.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,217.05 : 1,140,325.54 = 349,844.93 : x
  2. Step 2: Convert to fraction form
    760,217.05/1,140,325.54 = 349,844.93/x
  3. Step 3: Cross multiply
    760,217.05x = 1,140,325.54 × 349,844.93
  4. Step 4: Simplify right side
    760,217.05x = 398,937,102,142.27
  5. Step 5: Solve for x
    x = 398,937,102,142.27/760,217.05
  6. Step 6: Final answer
    x = 524,767.37

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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.