Home / 789,089.60-1,184,120.40-340,025.60

Finding the Fourth Proportional to 789,089.60, 1,184,120.40 and 340,025.60

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Solution

The fourth proportional to 789,089.60, 1,184,120.40 and 340,025.60 is: 510,247.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,089.60 : 1,184,120.40 = 340,025.60 : x
  2. Step 2: Convert to fraction form
    789,089.60/1,184,120.40 = 340,025.60/x
  3. Step 3: Cross multiply
    789,089.60x = 1,184,120.40 × 340,025.60
  4. Step 4: Simplify right side
    789,089.60x = 402,631,249,482.24
  5. Step 5: Solve for x
    x = 402,631,249,482.24/789,089.60
  6. Step 6: Final answer
    x = 510,247.82

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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.