Home / 729,011.04-1,006,035.84-406,721.19

Finding the Fourth Proportional to 729,011.04, 1,006,035.84 and 406,721.19

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Solution

The fourth proportional to 729,011.04, 1,006,035.84 and 406,721.19 is: 561,275.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,011.04 : 1,006,035.84 = 406,721.19 : x
  2. Step 2: Convert to fraction form
    729,011.04/1,006,035.84 = 406,721.19/x
  3. Step 3: Cross multiply
    729,011.04x = 1,006,035.84 × 406,721.19
  4. Step 4: Simplify right side
    729,011.04x = 409,176,094,027.45
  5. Step 5: Solve for x
    x = 409,176,094,027.45/729,011.04
  6. Step 6: Final answer
    x = 561,275.58

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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.