Home / 971,528.58-1,447,524.88-917,203.50

Finding the Fourth Proportional to 971,528.58, 1,447,524.88 and 917,203.50

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Solution

The fourth proportional to 971,528.58, 1,447,524.88 and 917,203.50 is: 1,366,583.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,528.58 : 1,447,524.88 = 917,203.50 : x
  2. Step 2: Convert to fraction form
    971,528.58/1,447,524.88 = 917,203.50/x
  3. Step 3: Cross multiply
    971,528.58x = 1,447,524.88 × 917,203.50
  4. Step 4: Simplify right side
    971,528.58x = 1,327,674,883,980.07
  5. Step 5: Solve for x
    x = 1,327,674,883,980.07/971,528.58
  6. Step 6: Final answer
    x = 1,366,583.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.