Home / 742,225.96-1,113,411.84-209,751.04

Finding the Fourth Proportional to 742,225.96, 1,113,411.84 and 209,751.04

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Solution

The fourth proportional to 742,225.96, 1,113,411.84 and 209,751.04 is: 314,647.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,225.96 : 1,113,411.84 = 209,751.04 : x
  2. Step 2: Convert to fraction form
    742,225.96/1,113,411.84 = 209,751.04/x
  3. Step 3: Cross multiply
    742,225.96x = 1,113,411.84 × 209,751.04
  4. Step 4: Simplify right side
    742,225.96x = 233,539,291,388.31
  5. Step 5: Solve for x
    x = 233,539,291,388.31/742,225.96
  6. Step 6: Final answer
    x = 314,647.16

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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.