Home / 687,771.60-1,031,657.40-604,827.60

Finding the Fourth Proportional to 687,771.60, 1,031,657.40 and 604,827.60

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Solution

The fourth proportional to 687,771.60, 1,031,657.40 and 604,827.60 is: 907,241.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,771.60 : 1,031,657.40 = 604,827.60 : x
  2. Step 2: Convert to fraction form
    687,771.60/1,031,657.40 = 604,827.60/x
  3. Step 3: Cross multiply
    687,771.60x = 1,031,657.40 × 604,827.60
  4. Step 4: Simplify right side
    687,771.60x = 623,974,869,264.24
  5. Step 5: Solve for x
    x = 623,974,869,264.24/687,771.60
  6. Step 6: Final answer
    x = 907,241.40

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1.5x scale

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.