Home / 882,702.90-1,323,017.54-408,386.34

Finding the Fourth Proportional to 882,702.90, 1,323,017.54 and 408,386.34

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Solution

The fourth proportional to 882,702.90, 1,323,017.54 and 408,386.34 is: 612,099.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,702.90 : 1,323,017.54 = 408,386.34 : x
  2. Step 2: Convert to fraction form
    882,702.90/1,323,017.54 = 408,386.34/x
  3. Step 3: Cross multiply
    882,702.90x = 1,323,017.54 × 408,386.34
  4. Step 4: Simplify right side
    882,702.90x = 540,302,290,916.40
  5. Step 5: Solve for x
    x = 540,302,290,916.40/882,702.90
  6. Step 6: Final answer
    x = 612,099.83

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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.