Home / 648,156.70-971,943.45-248,664.70

Finding the Fourth Proportional to 648,156.70, 971,943.45 and 248,664.70

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Solution

The fourth proportional to 648,156.70, 971,943.45 and 248,664.70 is: 372,885.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,156.70 : 971,943.45 = 248,664.70 : x
  2. Step 2: Convert to fraction form
    648,156.70/971,943.45 = 248,664.70/x
  3. Step 3: Cross multiply
    648,156.70x = 971,943.45 × 248,664.70
  4. Step 4: Simplify right side
    648,156.70x = 241,688,026,411.22
  5. Step 5: Solve for x
    x = 241,688,026,411.22/648,156.70
  6. Step 6: Final answer
    x = 372,885.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.