Home / 545,831.40-819,038.70-246,358.20

Finding the Fourth Proportional to 545,831.40, 819,038.70 and 246,358.20

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Solution

The fourth proportional to 545,831.40, 819,038.70 and 246,358.20 is: 369,668.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,831.40 : 819,038.70 = 246,358.20 : x
  2. Step 2: Convert to fraction form
    545,831.40/819,038.70 = 246,358.20/x
  3. Step 3: Cross multiply
    545,831.40x = 819,038.70 × 246,358.20
  4. Step 4: Simplify right side
    545,831.40x = 201,776,899,862.34
  5. Step 5: Solve for x
    x = 201,776,899,862.34/545,831.40
  6. Step 6: Final answer
    x = 369,668.91

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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.