Home / 742,360.79-1,024,460.70-402,829.04

Finding the Fourth Proportional to 742,360.79, 1,024,460.70 and 402,829.04

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Solution

The fourth proportional to 742,360.79, 1,024,460.70 and 402,829.04 is: 555,905.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,360.79 : 1,024,460.70 = 402,829.04 : x
  2. Step 2: Convert to fraction form
    742,360.79/1,024,460.70 = 402,829.04/x
  3. Step 3: Cross multiply
    742,360.79x = 1,024,460.70 × 402,829.04
  4. Step 4: Simplify right side
    742,360.79x = 412,682,520,298.73
  5. Step 5: Solve for x
    x = 412,682,520,298.73/742,360.79
  6. Step 6: Final answer
    x = 555,905.60

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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.