Home / 903,935.80-1,247,427.93-496,044.46

Finding the Fourth Proportional to 903,935.80, 1,247,427.93 and 496,044.46

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Solution

The fourth proportional to 903,935.80, 1,247,427.93 and 496,044.46 is: 684,539.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,935.80 : 1,247,427.93 = 496,044.46 : x
  2. Step 2: Convert to fraction form
    903,935.80/1,247,427.93 = 496,044.46/x
  3. Step 3: Cross multiply
    903,935.80x = 1,247,427.93 × 496,044.46
  4. Step 4: Simplify right side
    903,935.80x = 618,779,713,925.77
  5. Step 5: Solve for x
    x = 618,779,713,925.77/903,935.80
  6. Step 6: Final answer
    x = 684,539.45

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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.