Home / 985,559.99-1,478,342.42-275,586.89

Finding the Fourth Proportional to 985,559.99, 1,478,342.42 and 275,586.89

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Solution

The fourth proportional to 985,559.99, 1,478,342.42 and 275,586.89 is: 413,381.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,559.99 : 1,478,342.42 = 275,586.89 : x
  2. Step 2: Convert to fraction form
    985,559.99/1,478,342.42 = 275,586.89/x
  3. Step 3: Cross multiply
    985,559.99x = 1,478,342.42 × 275,586.89
  4. Step 4: Simplify right side
    985,559.99x = 407,411,781,113.23
  5. Step 5: Solve for x
    x = 407,411,781,113.23/985,559.99
  6. Step 6: Final answer
    x = 413,381.01

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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.