Home / 755,405.85-1,133,108.90-249,831.12

Finding the Fourth Proportional to 755,405.85, 1,133,108.90 and 249,831.12

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Solution

The fourth proportional to 755,405.85, 1,133,108.90 and 249,831.12 is: 374,746.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,405.85 : 1,133,108.90 = 249,831.12 : x
  2. Step 2: Convert to fraction form
    755,405.85/1,133,108.90 = 249,831.12/x
  3. Step 3: Cross multiply
    755,405.85x = 1,133,108.90 × 249,831.12
  4. Step 4: Simplify right side
    755,405.85x = 283,085,864,319.81
  5. Step 5: Solve for x
    x = 283,085,864,319.81/755,405.85
  6. Step 6: Final answer
    x = 374,746.72

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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.