Home / 988,923.09-1,364,740.74-559,267.50

Finding the Fourth Proportional to 988,923.09, 1,364,740.74 and 559,267.50

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Solution

The fourth proportional to 988,923.09, 1,364,740.74 and 559,267.50 is: 771,804.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,923.09 : 1,364,740.74 = 559,267.50 : x
  2. Step 2: Convert to fraction form
    988,923.09/1,364,740.74 = 559,267.50/x
  3. Step 3: Cross multiply
    988,923.09x = 1,364,740.74 × 559,267.50
  4. Step 4: Simplify right side
    988,923.09x = 763,255,141,807.95
  5. Step 5: Solve for x
    x = 763,255,141,807.95/988,923.09
  6. Step 6: Final answer
    x = 771,804.35

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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.