Home / 742,263.18-1,111,467.51-636,324.90

Finding the Fourth Proportional to 742,263.18, 1,111,467.51 and 636,324.90

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Solution

The fourth proportional to 742,263.18, 1,111,467.51 and 636,324.90 is: 952,835.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,263.18 : 1,111,467.51 = 636,324.90 : x
  2. Step 2: Convert to fraction form
    742,263.18/1,111,467.51 = 636,324.90/x
  3. Step 3: Cross multiply
    742,263.18x = 1,111,467.51 × 636,324.90
  4. Step 4: Simplify right side
    742,263.18x = 707,254,452,154.00
  5. Step 5: Solve for x
    x = 707,254,452,154.00/742,263.18
  6. Step 6: Final answer
    x = 952,835.15

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1.5x scale

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.