Home / 948,303.65-1,308,658.28-518,583.67

Finding the Fourth Proportional to 948,303.65, 1,308,658.28 and 518,583.67

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Solution

The fourth proportional to 948,303.65, 1,308,658.28 and 518,583.67 is: 715,645.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,303.65 : 1,308,658.28 = 518,583.67 : x
  2. Step 2: Convert to fraction form
    948,303.65/1,308,658.28 = 518,583.67/x
  3. Step 3: Cross multiply
    948,303.65x = 1,308,658.28 × 518,583.67
  4. Step 4: Simplify right side
    948,303.65x = 678,648,807,753.72
  5. Step 5: Solve for x
    x = 678,648,807,753.72/948,303.65
  6. Step 6: Final answer
    x = 715,645.04

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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.