Home / 977,489.98-1,348,880.45-569,658.22

Finding the Fourth Proportional to 977,489.98, 1,348,880.45 and 569,658.22

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Solution

The fourth proportional to 977,489.98, 1,348,880.45 and 569,658.22 is: 786,095.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,489.98 : 1,348,880.45 = 569,658.22 : x
  2. Step 2: Convert to fraction form
    977,489.98/1,348,880.45 = 569,658.22/x
  3. Step 3: Cross multiply
    977,489.98x = 1,348,880.45 × 569,658.22
  4. Step 4: Simplify right side
    977,489.98x = 768,400,829,919.31
  5. Step 5: Solve for x
    x = 768,400,829,919.31/977,489.98
  6. Step 6: Final answer
    x = 786,095.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.