Home / 841,528.16-1,262,303.40-280,562.84

Finding the Fourth Proportional to 841,528.16, 1,262,303.40 and 280,562.84

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Solution

The fourth proportional to 841,528.16, 1,262,303.40 and 280,562.84 is: 420,847.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,528.16 : 1,262,303.40 = 280,562.84 : x
  2. Step 2: Convert to fraction form
    841,528.16/1,262,303.40 = 280,562.84/x
  3. Step 3: Cross multiply
    841,528.16x = 1,262,303.40 × 280,562.84
  4. Step 4: Simplify right side
    841,528.16x = 354,155,426,845.66
  5. Step 5: Solve for x
    x = 354,155,426,845.66/841,528.16
  6. Step 6: Final answer
    x = 420,847.98

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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.