Home / 993,256.80-1,488,848.40-543,285.60

Finding the Fourth Proportional to 993,256.80, 1,488,848.40 and 543,285.60

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Solution

The fourth proportional to 993,256.80, 1,488,848.40 and 543,285.60 is: 814,361.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,256.80 : 1,488,848.40 = 543,285.60 : x
  2. Step 2: Convert to fraction form
    993,256.80/1,488,848.40 = 543,285.60/x
  3. Step 3: Cross multiply
    993,256.80x = 1,488,848.40 × 543,285.60
  4. Step 4: Simplify right side
    993,256.80x = 808,869,896,303.04
  5. Step 5: Solve for x
    x = 808,869,896,303.04/993,256.80
  6. Step 6: Final answer
    x = 814,361.30

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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.