Home / 785,070.34-1,177,635.51-245,376.31

Finding the Fourth Proportional to 785,070.34, 1,177,635.51 and 245,376.31

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Solution

The fourth proportional to 785,070.34, 1,177,635.51 and 245,376.31 is: 368,073.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,070.34 : 1,177,635.51 = 245,376.31 : x
  2. Step 2: Convert to fraction form
    785,070.34/1,177,635.51 = 245,376.31/x
  3. Step 3: Cross multiply
    785,070.34x = 1,177,635.51 × 245,376.31
  4. Step 4: Simplify right side
    785,070.34x = 288,963,855,968.77
  5. Step 5: Solve for x
    x = 288,963,855,968.77/785,070.34
  6. Step 6: Final answer
    x = 368,073.84

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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.