Home / 743,793.84-1,026,466.02-421,500.51

Finding the Fourth Proportional to 743,793.84, 1,026,466.02 and 421,500.51

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Solution

The fourth proportional to 743,793.84, 1,026,466.02 and 421,500.51 is: 581,688.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,793.84 : 1,026,466.02 = 421,500.51 : x
  2. Step 2: Convert to fraction form
    743,793.84/1,026,466.02 = 421,500.51/x
  3. Step 3: Cross multiply
    743,793.84x = 1,026,466.02 × 421,500.51
  4. Step 4: Simplify right side
    743,793.84x = 432,655,950,927.67
  5. Step 5: Solve for x
    x = 432,655,950,927.67/743,793.84
  6. Step 6: Final answer
    x = 581,688.00

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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.