Home / 697,095.60-1,045,643.40-658,388.40

Finding the Fourth Proportional to 697,095.60, 1,045,643.40 and 658,388.40

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Solution

The fourth proportional to 697,095.60, 1,045,643.40 and 658,388.40 is: 987,582.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,095.60 : 1,045,643.40 = 658,388.40 : x
  2. Step 2: Convert to fraction form
    697,095.60/1,045,643.40 = 658,388.40/x
  3. Step 3: Cross multiply
    697,095.60x = 1,045,643.40 × 658,388.40
  4. Step 4: Simplify right side
    697,095.60x = 688,439,485,096.56
  5. Step 5: Solve for x
    x = 688,439,485,096.56/697,095.60
  6. Step 6: Final answer
    x = 987,582.60

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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.