Home / 761,100.18-1,050,233.49-421,483.38

Finding the Fourth Proportional to 761,100.18, 1,050,233.49 and 421,483.38

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Solution

The fourth proportional to 761,100.18, 1,050,233.49 and 421,483.38 is: 581,600.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,100.18 : 1,050,233.49 = 421,483.38 : x
  2. Step 2: Convert to fraction form
    761,100.18/1,050,233.49 = 421,483.38/x
  3. Step 3: Cross multiply
    761,100.18x = 1,050,233.49 × 421,483.38
  4. Step 4: Simplify right side
    761,100.18x = 442,655,961,154.40
  5. Step 5: Solve for x
    x = 442,655,961,154.40/761,100.18
  6. Step 6: Final answer
    x = 581,600.13

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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.