Home / 687,798.60-1,031,697.90-604,854.60

Finding the Fourth Proportional to 687,798.60, 1,031,697.90 and 604,854.60

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Solution

The fourth proportional to 687,798.60, 1,031,697.90 and 604,854.60 is: 907,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,798.60 : 1,031,697.90 = 604,854.60 : x
  2. Step 2: Convert to fraction form
    687,798.60/1,031,697.90 = 604,854.60/x
  3. Step 3: Cross multiply
    687,798.60x = 1,031,697.90 × 604,854.60
  4. Step 4: Simplify right side
    687,798.60x = 624,027,220,625.34
  5. Step 5: Solve for x
    x = 624,027,220,625.34/687,798.60
  6. Step 6: Final answer
    x = 907,281.90

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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.