Home / 768,718.40-1,060,809.36-429,179.36

Finding the Fourth Proportional to 768,718.40, 1,060,809.36 and 429,179.36

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Solution

The fourth proportional to 768,718.40, 1,060,809.36 and 429,179.36 is: 592,255.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,718.40 : 1,060,809.36 = 429,179.36 : x
  2. Step 2: Convert to fraction form
    768,718.40/1,060,809.36 = 429,179.36/x
  3. Step 3: Cross multiply
    768,718.40x = 1,060,809.36 × 429,179.36
  4. Step 4: Simplify right side
    768,718.40x = 455,277,482,206.81
  5. Step 5: Solve for x
    x = 455,277,482,206.81/768,718.40
  6. Step 6: Final answer
    x = 592,255.22

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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.