Home / 610,439.20-916,533.60-461,723.20

Finding the Fourth Proportional to 610,439.20, 916,533.60 and 461,723.20

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Solution

The fourth proportional to 610,439.20, 916,533.60 and 461,723.20 is: 693,246.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,439.20 : 916,533.60 = 461,723.20 : x
  2. Step 2: Convert to fraction form
    610,439.20/916,533.60 = 461,723.20/x
  3. Step 3: Cross multiply
    610,439.20x = 916,533.60 × 461,723.20
  4. Step 4: Simplify right side
    610,439.20x = 423,184,826,699.52
  5. Step 5: Solve for x
    x = 423,184,826,699.52/610,439.20
  6. Step 6: Final answer
    x = 693,246.48

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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.