Home / 492,140.28-736,543.56-302,720.55

Finding the Fourth Proportional to 492,140.28, 736,543.56 and 302,720.55

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Solution

The fourth proportional to 492,140.28, 736,543.56 and 302,720.55 is: 453,055.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,140.28 : 736,543.56 = 302,720.55 : x
  2. Step 2: Convert to fraction form
    492,140.28/736,543.56 = 302,720.55/x
  3. Step 3: Cross multiply
    492,140.28x = 736,543.56 × 302,720.55
  4. Step 4: Simplify right side
    492,140.28x = 222,966,871,582.16
  5. Step 5: Solve for x
    x = 222,966,871,582.16/492,140.28
  6. Step 6: Final answer
    x = 453,055.52

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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.