Home / 648,968.36-895,822.65-488,290.49

Finding the Fourth Proportional to 648,968.36, 895,822.65 and 488,290.49

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Solution

The fourth proportional to 648,968.36, 895,822.65 and 488,290.49 is: 674,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,968.36 : 895,822.65 = 488,290.49 : x
  2. Step 2: Convert to fraction form
    648,968.36/895,822.65 = 488,290.49/x
  3. Step 3: Cross multiply
    648,968.36x = 895,822.65 × 488,290.49
  4. Step 4: Simplify right side
    648,968.36x = 437,421,676,242.49
  5. Step 5: Solve for x
    x = 437,421,676,242.49/648,968.36
  6. Step 6: Final answer
    x = 674,026.20

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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.