Home / 898,219.20-1,348,312.95-561,639.90

Finding the Fourth Proportional to 898,219.20, 1,348,312.95 and 561,639.90

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Solution

The fourth proportional to 898,219.20, 1,348,312.95 and 561,639.90 is: 843,075.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,219.20 : 1,348,312.95 = 561,639.90 : x
  2. Step 2: Convert to fraction form
    898,219.20/1,348,312.95 = 561,639.90/x
  3. Step 3: Cross multiply
    898,219.20x = 1,348,312.95 × 561,639.90
  4. Step 4: Simplify right side
    898,219.20x = 757,266,350,406.71
  5. Step 5: Solve for x
    x = 757,266,350,406.71/898,219.20
  6. Step 6: Final answer
    x = 843,075.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.