Home / 712,970.46-983,531.16-483,450.12

Finding the Fourth Proportional to 712,970.46, 983,531.16 and 483,450.12

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Solution

The fourth proportional to 712,970.46, 983,531.16 and 483,450.12 is: 666,911.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,970.46 : 983,531.16 = 483,450.12 : x
  2. Step 2: Convert to fraction form
    712,970.46/983,531.16 = 483,450.12/x
  3. Step 3: Cross multiply
    712,970.46x = 983,531.16 × 483,450.12
  4. Step 4: Simplify right side
    712,970.46x = 475,488,257,325.74
  5. Step 5: Solve for x
    x = 475,488,257,325.74/712,970.46
  6. Step 6: Final answer
    x = 666,911.58

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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.