Home / 832,860.60-1,248,999.30-433,368.60

Finding the Fourth Proportional to 832,860.60, 1,248,999.30 and 433,368.60

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Solution

The fourth proportional to 832,860.60, 1,248,999.30 and 433,368.60 is: 649,901.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,860.60 : 1,248,999.30 = 433,368.60 : x
  2. Step 2: Convert to fraction form
    832,860.60/1,248,999.30 = 433,368.60/x
  3. Step 3: Cross multiply
    832,860.60x = 1,248,999.30 × 433,368.60
  4. Step 4: Simplify right side
    832,860.60x = 541,277,078,041.98
  5. Step 5: Solve for x
    x = 541,277,078,041.98/832,860.60
  6. Step 6: Final answer
    x = 649,901.17

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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.