Home / 742,153.50-1,023,539.46-570,486.96

Finding the Fourth Proportional to 742,153.50, 1,023,539.46 and 570,486.96

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Solution

The fourth proportional to 742,153.50, 1,023,539.46 and 570,486.96 is: 786,785.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,153.50 : 1,023,539.46 = 570,486.96 : x
  2. Step 2: Convert to fraction form
    742,153.50/1,023,539.46 = 570,486.96/x
  3. Step 3: Cross multiply
    742,153.50x = 1,023,539.46 × 570,486.96
  4. Step 4: Simplify right side
    742,153.50x = 583,915,914,975.44
  5. Step 5: Solve for x
    x = 583,915,914,975.44/742,153.50
  6. Step 6: Final answer
    x = 786,785.91

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Double scale
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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.