Home / 346,522.80-519,784.20-290,535.60

Finding the Fourth Proportional to 346,522.80, 519,784.20 and 290,535.60

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Solution

The fourth proportional to 346,522.80, 519,784.20 and 290,535.60 is: 435,803.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,522.80 : 519,784.20 = 290,535.60 : x
  2. Step 2: Convert to fraction form
    346,522.80/519,784.20 = 290,535.60/x
  3. Step 3: Cross multiply
    346,522.80x = 519,784.20 × 290,535.60
  4. Step 4: Simplify right side
    346,522.80x = 151,015,814,417.52
  5. Step 5: Solve for x
    x = 151,015,814,417.52/346,522.80
  6. Step 6: Final answer
    x = 435,803.40

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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.