Home / 829,321.74-1,144,817.03-557,547.20

Finding the Fourth Proportional to 829,321.74, 1,144,817.03 and 557,547.20

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Solution

The fourth proportional to 829,321.74, 1,144,817.03 and 557,547.20 is: 769,652.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,321.74 : 1,144,817.03 = 557,547.20 : x
  2. Step 2: Convert to fraction form
    829,321.74/1,144,817.03 = 557,547.20/x
  3. Step 3: Cross multiply
    829,321.74x = 1,144,817.03 × 557,547.20
  4. Step 4: Simplify right side
    829,321.74x = 638,289,529,588.82
  5. Step 5: Solve for x
    x = 638,289,529,588.82/829,321.74
  6. Step 6: Final answer
    x = 769,652.47

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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.