Home / 742,648.02-1,114,030.89-210,172.38

Finding the Fourth Proportional to 742,648.02, 1,114,030.89 and 210,172.38

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Solution

The fourth proportional to 742,648.02, 1,114,030.89 and 210,172.38 is: 315,275.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,648.02 : 1,114,030.89 = 210,172.38 : x
  2. Step 2: Convert to fraction form
    742,648.02/1,114,030.89 = 210,172.38/x
  3. Step 3: Cross multiply
    742,648.02x = 1,114,030.89 × 210,172.38
  4. Step 4: Simplify right side
    742,648.02x = 234,138,523,544.82
  5. Step 5: Solve for x
    x = 234,138,523,544.82/742,648.02
  6. Step 6: Final answer
    x = 315,275.23

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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.