Home / 719,831.79-1,080,411.93-365,094.90

Finding the Fourth Proportional to 719,831.79, 1,080,411.93 and 365,094.90

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Solution

The fourth proportional to 719,831.79, 1,080,411.93 and 365,094.90 is: 547,979.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,831.79 : 1,080,411.93 = 365,094.90 : x
  2. Step 2: Convert to fraction form
    719,831.79/1,080,411.93 = 365,094.90/x
  3. Step 3: Cross multiply
    719,831.79x = 1,080,411.93 × 365,094.90
  4. Step 4: Simplify right side
    719,831.79x = 394,452,885,542.16
  5. Step 5: Solve for x
    x = 394,452,885,542.16/719,831.79
  6. Step 6: Final answer
    x = 547,979.25

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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.