Home / 736,328.40-1,104,502.80-485,216.40

Finding the Fourth Proportional to 736,328.40, 1,104,502.80 and 485,216.40

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Solution

The fourth proportional to 736,328.40, 1,104,502.80 and 485,216.40 is: 727,831.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,328.40 : 1,104,502.80 = 485,216.40 : x
  2. Step 2: Convert to fraction form
    736,328.40/1,104,502.80 = 485,216.40/x
  3. Step 3: Cross multiply
    736,328.40x = 1,104,502.80 × 485,216.40
  4. Step 4: Simplify right side
    736,328.40x = 535,922,872,405.92
  5. Step 5: Solve for x
    x = 535,922,872,405.92/736,328.40
  6. Step 6: Final answer
    x = 727,831.32

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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.