Home / 757,864.08-1,045,835.55-413,706.42

Finding the Fourth Proportional to 757,864.08, 1,045,835.55 and 413,706.42

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Solution

The fourth proportional to 757,864.08, 1,045,835.55 and 413,706.42 is: 570,905.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,864.08 : 1,045,835.55 = 413,706.42 : x
  2. Step 2: Convert to fraction form
    757,864.08/1,045,835.55 = 413,706.42/x
  3. Step 3: Cross multiply
    757,864.08x = 1,045,835.55 × 413,706.42
  4. Step 4: Simplify right side
    757,864.08x = 432,668,881,299.23
  5. Step 5: Solve for x
    x = 432,668,881,299.23/757,864.08
  6. Step 6: Final answer
    x = 570,905.64

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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.