Home / 742,116.60-1,113,110.10-243,480.60

Finding the Fourth Proportional to 742,116.60, 1,113,110.10 and 243,480.60

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Solution

The fourth proportional to 742,116.60, 1,113,110.10 and 243,480.60 is: 365,199.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,116.60 : 1,113,110.10 = 243,480.60 : x
  2. Step 2: Convert to fraction form
    742,116.60/1,113,110.10 = 243,480.60/x
  3. Step 3: Cross multiply
    742,116.60x = 1,113,110.10 × 243,480.60
  4. Step 4: Simplify right side
    742,116.60x = 271,020,715,014.06
  5. Step 5: Solve for x
    x = 271,020,715,014.06/742,116.60
  6. Step 6: Final answer
    x = 365,199.64

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Double scale
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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.