Home / 742,531.20-1,024,696.08-402,999.84

Finding the Fourth Proportional to 742,531.20, 1,024,696.08 and 402,999.84

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Solution

The fourth proportional to 742,531.20, 1,024,696.08 and 402,999.84 is: 556,141.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,531.20 : 1,024,696.08 = 402,999.84 : x
  2. Step 2: Convert to fraction form
    742,531.20/1,024,696.08 = 402,999.84/x
  3. Step 3: Cross multiply
    742,531.20x = 1,024,696.08 × 402,999.84
  4. Step 4: Simplify right side
    742,531.20x = 412,952,356,288.63
  5. Step 5: Solve for x
    x = 412,952,356,288.63/742,531.20
  6. Step 6: Final answer
    x = 556,141.42

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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.