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Finding the Fourth Proportional to 426,477.45, 588,059.08 and 348,710.48

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Solution

The fourth proportional to 426,477.45, 588,059.08 and 348,710.48 is: 480,828.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,477.45 : 588,059.08 = 348,710.48 : x
  2. Step 2: Convert to fraction form
    426,477.45/588,059.08 = 348,710.48/x
  3. Step 3: Cross multiply
    426,477.45x = 588,059.08 × 348,710.48
  4. Step 4: Simplify right side
    426,477.45x = 205,062,364,055.16
  5. Step 5: Solve for x
    x = 205,062,364,055.16/426,477.45
  6. Step 6: Final answer
    x = 480,828.15

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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.