Home / 761,108.88-1,050,364.88-421,577.13

Finding the Fourth Proportional to 761,108.88, 1,050,364.88 and 421,577.13

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Solution

The fourth proportional to 761,108.88, 1,050,364.88 and 421,577.13 is: 581,795.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,108.88 : 1,050,364.88 = 421,577.13 : x
  2. Step 2: Convert to fraction form
    761,108.88/1,050,364.88 = 421,577.13/x
  3. Step 3: Cross multiply
    761,108.88x = 1,050,364.88 × 421,577.13
  4. Step 4: Simplify right side
    761,108.88x = 442,809,811,563.19
  5. Step 5: Solve for x
    x = 442,809,811,563.19/761,108.88
  6. Step 6: Final answer
    x = 581,795.62

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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.