Home / 742,435.20-1,024,560.54-402,903.44

Finding the Fourth Proportional to 742,435.20, 1,024,560.54 and 402,903.44

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Solution

The fourth proportional to 742,435.20, 1,024,560.54 and 402,903.44 is: 556,006.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,435.20 : 1,024,560.54 = 402,903.44 : x
  2. Step 2: Convert to fraction form
    742,435.20/1,024,560.54 = 402,903.44/x
  3. Step 3: Cross multiply
    742,435.20x = 1,024,560.54 × 402,903.44
  4. Step 4: Simplify right side
    742,435.20x = 412,798,966,054.26
  5. Step 5: Solve for x
    x = 412,798,966,054.26/742,435.20
  6. Step 6: Final answer
    x = 556,006.73

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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.