Home / 842,740.81-1,264,148.10-243,762.51

Finding the Fourth Proportional to 842,740.81, 1,264,148.10 and 243,762.51

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Solution

The fourth proportional to 842,740.81, 1,264,148.10 and 243,762.51 is: 365,654.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,740.81 : 1,264,148.10 = 243,762.51 : x
  2. Step 2: Convert to fraction form
    842,740.81/1,264,148.10 = 243,762.51/x
  3. Step 3: Cross multiply
    842,740.81x = 1,264,148.10 × 243,762.51
  4. Step 4: Simplify right side
    842,740.81x = 308,151,918,608.29
  5. Step 5: Solve for x
    x = 308,151,918,608.29/842,740.81
  6. Step 6: Final answer
    x = 365,654.44

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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.