Home / 786,960.96-1,084,711.20-557,595.20

Finding the Fourth Proportional to 786,960.96, 1,084,711.20 and 557,595.20

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Solution

The fourth proportional to 786,960.96, 1,084,711.20 and 557,595.20 is: 768,563.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,960.96 : 1,084,711.20 = 557,595.20 : x
  2. Step 2: Convert to fraction form
    786,960.96/1,084,711.20 = 557,595.20/x
  3. Step 3: Cross multiply
    786,960.96x = 1,084,711.20 × 557,595.20
  4. Step 4: Simplify right side
    786,960.96x = 604,829,758,506.24
  5. Step 5: Solve for x
    x = 604,829,758,506.24/786,960.96
  6. Step 6: Final answer
    x = 768,563.87

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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.