Home / 742,829.86-1,114,292.31-210,393.10

Finding the Fourth Proportional to 742,829.86, 1,114,292.31 and 210,393.10

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Solution

The fourth proportional to 742,829.86, 1,114,292.31 and 210,393.10 is: 315,603.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,829.86 : 1,114,292.31 = 210,393.10 : x
  2. Step 2: Convert to fraction form
    742,829.86/1,114,292.31 = 210,393.10/x
  3. Step 3: Cross multiply
    742,829.86x = 1,114,292.31 × 210,393.10
  4. Step 4: Simplify right side
    742,829.86x = 234,439,413,407.06
  5. Step 5: Solve for x
    x = 234,439,413,407.06/742,829.86
  6. Step 6: Final answer
    x = 315,603.11

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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.