Home / 842,303.28-1,263,095.28-487,562.16

Finding the Fourth Proportional to 842,303.28, 1,263,095.28 and 487,562.16

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Solution

The fourth proportional to 842,303.28, 1,263,095.28 and 487,562.16 is: 731,135.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,303.28 : 1,263,095.28 = 487,562.16 : x
  2. Step 2: Convert to fraction form
    842,303.28/1,263,095.28 = 487,562.16/x
  3. Step 3: Cross multiply
    842,303.28x = 1,263,095.28 × 487,562.16
  4. Step 4: Simplify right side
    842,303.28x = 615,837,463,002.61
  5. Step 5: Solve for x
    x = 615,837,463,002.61/842,303.28
  6. Step 6: Final answer
    x = 731,135.06

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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.