Home / 829,664.48-1,245,547.08-509,028.48

Finding the Fourth Proportional to 829,664.48, 1,245,547.08 and 509,028.48

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Solution

The fourth proportional to 829,664.48, 1,245,547.08 and 509,028.48 is: 764,187.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,664.48 : 1,245,547.08 = 509,028.48 : x
  2. Step 2: Convert to fraction form
    829,664.48/1,245,547.08 = 509,028.48/x
  3. Step 3: Cross multiply
    829,664.48x = 1,245,547.08 × 509,028.48
  4. Step 4: Simplify right side
    829,664.48x = 634,018,936,900.84
  5. Step 5: Solve for x
    x = 634,018,936,900.84/829,664.48
  6. Step 6: Final answer
    x = 764,187.15

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1.5x scale

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.