Home / 514,280.07-709,652.47-284,831.35

Finding the Fourth Proportional to 514,280.07, 709,652.47 and 284,831.35

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Solution

The fourth proportional to 514,280.07, 709,652.47 and 284,831.35 is: 393,037.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,280.07 : 709,652.47 = 284,831.35 : x
  2. Step 2: Convert to fraction form
    514,280.07/709,652.47 = 284,831.35/x
  3. Step 3: Cross multiply
    514,280.07x = 709,652.47 × 284,831.35
  4. Step 4: Simplify right side
    514,280.07x = 202,131,271,060.93
  5. Step 5: Solve for x
    x = 202,131,271,060.93/514,280.07
  6. Step 6: Final answer
    x = 393,037.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.