Home / 847,645.22-1,169,073.87-557,554.70

Finding the Fourth Proportional to 847,645.22, 1,169,073.87 and 557,554.70

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Solution

The fourth proportional to 847,645.22, 1,169,073.87 and 557,554.70 is: 768,980.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,645.22 : 1,169,073.87 = 557,554.70 : x
  2. Step 2: Convert to fraction form
    847,645.22/1,169,073.87 = 557,554.70/x
  3. Step 3: Cross multiply
    847,645.22x = 1,169,073.87 × 557,554.70
  4. Step 4: Simplify right side
    847,645.22x = 651,822,637,261.89
  5. Step 5: Solve for x
    x = 651,822,637,261.89/847,645.22
  6. Step 6: Final answer
    x = 768,980.49

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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.