Home / 746,396.64-1,030,038.08-406,864.88

Finding the Fourth Proportional to 746,396.64, 1,030,038.08 and 406,864.88

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Solution

The fourth proportional to 746,396.64, 1,030,038.08 and 406,864.88 is: 561,479.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,396.64 : 1,030,038.08 = 406,864.88 : x
  2. Step 2: Convert to fraction form
    746,396.64/1,030,038.08 = 406,864.88/x
  3. Step 3: Cross multiply
    746,396.64x = 1,030,038.08 × 406,864.88
  4. Step 4: Simplify right side
    746,396.64x = 419,086,319,814.63
  5. Step 5: Solve for x
    x = 419,086,319,814.63/746,396.64
  6. Step 6: Final answer
    x = 561,479.38

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Double scale
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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.