Home / 648,900.90-895,394.79-362,384.46

Finding the Fourth Proportional to 648,900.90, 895,394.79 and 362,384.46

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Solution

The fourth proportional to 648,900.90, 895,394.79 and 362,384.46 is: 500,041.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,900.90 : 895,394.79 = 362,384.46 : x
  2. Step 2: Convert to fraction form
    648,900.90/895,394.79 = 362,384.46/x
  3. Step 3: Cross multiply
    648,900.90x = 895,394.79 × 362,384.46
  4. Step 4: Simplify right side
    648,900.90x = 324,477,157,460.96
  5. Step 5: Solve for x
    x = 324,477,157,460.96/648,900.90
  6. Step 6: Final answer
    x = 500,041.16

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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.