Home / 697,695.60-1,046,543.40-688,364.40

Finding the Fourth Proportional to 697,695.60, 1,046,543.40 and 688,364.40

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Solution

The fourth proportional to 697,695.60, 1,046,543.40 and 688,364.40 is: 1,032,546.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,695.60 : 1,046,543.40 = 688,364.40 : x
  2. Step 2: Convert to fraction form
    697,695.60/1,046,543.40 = 688,364.40/x
  3. Step 3: Cross multiply
    697,695.60x = 1,046,543.40 × 688,364.40
  4. Step 4: Simplify right side
    697,695.60x = 720,403,219,614.96
  5. Step 5: Solve for x
    x = 720,403,219,614.96/697,695.60
  6. Step 6: Final answer
    x = 1,032,546.60

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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.