Home / 761,094.18-1,050,225.21-421,477.38

Finding the Fourth Proportional to 761,094.18, 1,050,225.21 and 421,477.38

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Solution

The fourth proportional to 761,094.18, 1,050,225.21 and 421,477.38 is: 581,591.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,094.18 : 1,050,225.21 = 421,477.38 : x
  2. Step 2: Convert to fraction form
    761,094.18/1,050,225.21 = 421,477.38/x
  3. Step 3: Cross multiply
    761,094.18x = 1,050,225.21 × 421,477.38
  4. Step 4: Simplify right side
    761,094.18x = 442,646,169,920.75
  5. Step 5: Solve for x
    x = 442,646,169,920.75/761,094.18
  6. Step 6: Final answer
    x = 581,591.85

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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.