Home / 761,136.16-1,050,369.24-421,597.12

Finding the Fourth Proportional to 761,136.16, 1,050,369.24 and 421,597.12

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Solution

The fourth proportional to 761,136.16, 1,050,369.24 and 421,597.12 is: 581,804.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,136.16 : 1,050,369.24 = 421,597.12 : x
  2. Step 2: Convert to fraction form
    761,136.16/1,050,369.24 = 421,597.12/x
  3. Step 3: Cross multiply
    761,136.16x = 1,050,369.24 × 421,597.12
  4. Step 4: Simplify right side
    761,136.16x = 442,832,646,520.59
  5. Step 5: Solve for x
    x = 442,832,646,520.59/761,136.16
  6. Step 6: Final answer
    x = 581,804.77

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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.