Home / 529,271.12-793,284.60-409,831.76

Finding the Fourth Proportional to 529,271.12, 793,284.60 and 409,831.76

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Solution

The fourth proportional to 529,271.12, 793,284.60 and 409,831.76 is: 614,265.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,271.12 : 793,284.60 = 409,831.76 : x
  2. Step 2: Convert to fraction form
    529,271.12/793,284.60 = 409,831.76/x
  3. Step 3: Cross multiply
    529,271.12x = 793,284.60 × 409,831.76
  4. Step 4: Simplify right side
    529,271.12x = 325,113,223,798.90
  5. Step 5: Solve for x
    x = 325,113,223,798.90/529,271.12
  6. Step 6: Final answer
    x = 614,265.94

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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.