Home / 890,848.02-1,335,990.69-291,671.46

Finding the Fourth Proportional to 890,848.02, 1,335,990.69 and 291,671.46

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Solution

The fourth proportional to 890,848.02, 1,335,990.69 and 291,671.46 is: 437,415.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,848.02 : 1,335,990.69 = 291,671.46 : x
  2. Step 2: Convert to fraction form
    890,848.02/1,335,990.69 = 291,671.46/x
  3. Step 3: Cross multiply
    890,848.02x = 1,335,990.69 × 291,671.46
  4. Step 4: Simplify right side
    890,848.02x = 389,670,355,098.71
  5. Step 5: Solve for x
    x = 389,670,355,098.71/890,848.02
  6. Step 6: Final answer
    x = 437,415.08

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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.