Home / 910,384.31-1,365,642.08-349,418.81

Finding the Fourth Proportional to 910,384.31, 1,365,642.08 and 349,418.81

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Solution

The fourth proportional to 910,384.31, 1,365,642.08 and 349,418.81 is: 524,153.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,384.31 : 1,365,642.08 = 349,418.81 : x
  2. Step 2: Convert to fraction form
    910,384.31/1,365,642.08 = 349,418.81/x
  3. Step 3: Cross multiply
    910,384.31x = 1,365,642.08 × 349,418.81
  4. Step 4: Simplify right side
    910,384.31x = 477,181,033,456.86
  5. Step 5: Solve for x
    x = 477,181,033,456.86/910,384.31
  6. Step 6: Final answer
    x = 524,153.40

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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.