Home / 910,442.71-1,365,839.84-349,433.47

Finding the Fourth Proportional to 910,442.71, 1,365,839.84 and 349,433.47

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Solution

The fourth proportional to 910,442.71, 1,365,839.84 and 349,433.47 is: 524,217.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,442.71 : 1,365,839.84 = 349,433.47 : x
  2. Step 2: Convert to fraction form
    910,442.71/1,365,839.84 = 349,433.47/x
  3. Step 3: Cross multiply
    910,442.71x = 1,365,839.84 × 349,433.47
  4. Step 4: Simplify right side
    910,442.71x = 477,270,154,755.45
  5. Step 5: Solve for x
    x = 477,270,154,755.45/910,442.71
  6. Step 6: Final answer
    x = 524,217.67

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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.