Home / 948,045.98-1,308,303.90-518,329.64

Finding the Fourth Proportional to 948,045.98, 1,308,303.90 and 518,329.64

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Solution

The fourth proportional to 948,045.98, 1,308,303.90 and 518,329.64 is: 715,295.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,045.98 : 1,308,303.90 = 518,329.64 : x
  2. Step 2: Convert to fraction form
    948,045.98/1,308,303.90 = 518,329.64/x
  3. Step 3: Cross multiply
    948,045.98x = 1,308,303.90 × 518,329.64
  4. Step 4: Simplify right side
    948,045.98x = 678,132,689,497.60
  5. Step 5: Solve for x
    x = 678,132,689,497.60/948,045.98
  6. Step 6: Final answer
    x = 715,295.15

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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.