Home / 917,113.59-1,374,946.87-579,442.50

Finding the Fourth Proportional to 917,113.59, 1,374,946.87 and 579,442.50

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Solution

The fourth proportional to 917,113.59, 1,374,946.87 and 579,442.50 is: 868,706.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,113.59 : 1,374,946.87 = 579,442.50 : x
  2. Step 2: Convert to fraction form
    917,113.59/1,374,946.87 = 579,442.50/x
  3. Step 3: Cross multiply
    917,113.59x = 1,374,946.87 × 579,442.50
  4. Step 4: Simplify right side
    917,113.59x = 796,702,641,948.03
  5. Step 5: Solve for x
    x = 796,702,641,948.03/917,113.59
  6. Step 6: Final answer
    x = 868,706.62

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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.