Home / 662,045.85-913,595.63-375,619.92

Finding the Fourth Proportional to 662,045.85, 913,595.63 and 375,619.92

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Solution

The fourth proportional to 662,045.85, 913,595.63 and 375,619.92 is: 518,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,045.85 : 913,595.63 = 375,619.92 : x
  2. Step 2: Convert to fraction form
    662,045.85/913,595.63 = 375,619.92/x
  3. Step 3: Cross multiply
    662,045.85x = 913,595.63 × 375,619.92
  4. Step 4: Simplify right side
    662,045.85x = 343,164,715,574.85
  5. Step 5: Solve for x
    x = 343,164,715,574.85/662,045.85
  6. Step 6: Final answer
    x = 518,339.80

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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.