Home / 739,742.42-1,020,834.46-413,060.48

Finding the Fourth Proportional to 739,742.42, 1,020,834.46 and 413,060.48

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Solution

The fourth proportional to 739,742.42, 1,020,834.46 and 413,060.48 is: 570,017.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,742.42 : 1,020,834.46 = 413,060.48 : x
  2. Step 2: Convert to fraction form
    739,742.42/1,020,834.46 = 413,060.48/x
  3. Step 3: Cross multiply
    739,742.42x = 1,020,834.46 × 413,060.48
  4. Step 4: Simplify right side
    739,742.42x = 421,666,364,878.67
  5. Step 5: Solve for x
    x = 421,666,364,878.67/739,742.42
  6. Step 6: Final answer
    x = 570,017.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.