Home / 963,721.08-1,329,899.22-555,840

Finding the Fourth Proportional to 963,721.08, 1,329,899.22 and 555,840

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Solution

The fourth proportional to 963,721.08, 1,329,899.22 and 555,840 is: 767,038.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,721.08 : 1,329,899.22 = 555,840 : x
  2. Step 2: Convert to fraction form
    963,721.08/1,329,899.22 = 555,840/x
  3. Step 3: Cross multiply
    963,721.08x = 1,329,899.22 × 555,840
  4. Step 4: Simplify right side
    963,721.08x = 739,211,182,444.80
  5. Step 5: Solve for x
    x = 739,211,182,444.80/963,721.08
  6. Step 6: Final answer
    x = 767,038.51

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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.