Home / 775,948.77-1,070,809.07-436,416.75

Finding the Fourth Proportional to 775,948.77, 1,070,809.07 and 436,416.75

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Solution

The fourth proportional to 775,948.77, 1,070,809.07 and 436,416.75 is: 602,254.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,948.77 : 1,070,809.07 = 436,416.75 : x
  2. Step 2: Convert to fraction form
    775,948.77/1,070,809.07 = 436,416.75/x
  3. Step 3: Cross multiply
    775,948.77x = 1,070,809.07 × 436,416.75
  4. Step 4: Simplify right side
    775,948.77x = 467,319,012,017.84
  5. Step 5: Solve for x
    x = 467,319,012,017.84/775,948.77
  6. Step 6: Final answer
    x = 602,254.98

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Double scale
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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.