Home / 991,010.55-1,486,516.76-243,056.55

Finding the Fourth Proportional to 991,010.55, 1,486,516.76 and 243,056.55

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Solution

The fourth proportional to 991,010.55, 1,486,516.76 and 243,056.55 is: 364,585.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,010.55 : 1,486,516.76 = 243,056.55 : x
  2. Step 2: Convert to fraction form
    991,010.55/1,486,516.76 = 243,056.55/x
  3. Step 3: Cross multiply
    991,010.55x = 1,486,516.76 × 243,056.55
  4. Step 4: Simplify right side
    991,010.55x = 361,307,632,111.74
  5. Step 5: Solve for x
    x = 361,307,632,111.74/991,010.55
  6. Step 6: Final answer
    x = 364,585.05

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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.