Home / 642,091.52-964,080.40-630,751.92

Finding the Fourth Proportional to 642,091.52, 964,080.40 and 630,751.92

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Solution

The fourth proportional to 642,091.52, 964,080.40 and 630,751.92 is: 947,054.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,091.52 : 964,080.40 = 630,751.92 : x
  2. Step 2: Convert to fraction form
    642,091.52/964,080.40 = 630,751.92/x
  3. Step 3: Cross multiply
    642,091.52x = 964,080.40 × 630,751.92
  4. Step 4: Simplify right side
    642,091.52x = 608,095,563,334.37
  5. Step 5: Solve for x
    x = 608,095,563,334.37/642,091.52
  6. Step 6: Final answer
    x = 947,054.34

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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.