Home / 434,521.40-651,782.10-245,564.60

Finding the Fourth Proportional to 434,521.40, 651,782.10 and 245,564.60

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Solution

The fourth proportional to 434,521.40, 651,782.10 and 245,564.60 is: 368,346.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,521.40 : 651,782.10 = 245,564.60 : x
  2. Step 2: Convert to fraction form
    434,521.40/651,782.10 = 245,564.60/x
  3. Step 3: Cross multiply
    434,521.40x = 651,782.10 × 245,564.60
  4. Step 4: Simplify right side
    434,521.40x = 160,054,610,673.66
  5. Step 5: Solve for x
    x = 160,054,610,673.66/434,521.40
  6. Step 6: Final answer
    x = 368,346.90

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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.