Home / 829,643.16-1,244,852.16-430,065.98

Finding the Fourth Proportional to 829,643.16, 1,244,852.16 and 430,065.98

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Solution

The fourth proportional to 829,643.16, 1,244,852.16 and 430,065.98 is: 645,299.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,643.16 : 1,244,852.16 = 430,065.98 : x
  2. Step 2: Convert to fraction form
    829,643.16/1,244,852.16 = 430,065.98/x
  3. Step 3: Cross multiply
    829,643.16x = 1,244,852.16 × 430,065.98
  4. Step 4: Simplify right side
    829,643.16x = 535,368,564,145.52
  5. Step 5: Solve for x
    x = 535,368,564,145.52/829,643.16
  6. Step 6: Final answer
    x = 645,299.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.