Home / 745,528.89-1,118,622.56-578,500.41

Finding the Fourth Proportional to 745,528.89, 1,118,622.56 and 578,500.41

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Solution

The fourth proportional to 745,528.89, 1,118,622.56 and 578,500.41 is: 868,006.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,528.89 : 1,118,622.56 = 578,500.41 : x
  2. Step 2: Convert to fraction form
    745,528.89/1,118,622.56 = 578,500.41/x
  3. Step 3: Cross multiply
    745,528.89x = 1,118,622.56 × 578,500.41
  4. Step 4: Simplify right side
    745,528.89x = 647,123,606,702.75
  5. Step 5: Solve for x
    x = 647,123,606,702.75/745,528.89
  6. Step 6: Final answer
    x = 868,006.08

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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.