Home / 767,897.20-1,152,364.20-430,937.20

Finding the Fourth Proportional to 767,897.20, 1,152,364.20 and 430,937.20

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Solution

The fourth proportional to 767,897.20, 1,152,364.20 and 430,937.20 is: 646,696.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,897.20 : 1,152,364.20 = 430,937.20 : x
  2. Step 2: Convert to fraction form
    767,897.20/1,152,364.20 = 430,937.20/x
  3. Step 3: Cross multiply
    767,897.20x = 1,152,364.20 × 430,937.20
  4. Step 4: Simplify right side
    767,897.20x = 496,596,601,728.24
  5. Step 5: Solve for x
    x = 496,596,601,728.24/767,897.20
  6. Step 6: Final answer
    x = 646,696.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.