Home / 907,543.86-1,252,362.98-499,566.02

Finding the Fourth Proportional to 907,543.86, 1,252,362.98 and 499,566.02

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Solution

The fourth proportional to 907,543.86, 1,252,362.98 and 499,566.02 is: 689,374.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,543.86 : 1,252,362.98 = 499,566.02 : x
  2. Step 2: Convert to fraction form
    907,543.86/1,252,362.98 = 499,566.02/x
  3. Step 3: Cross multiply
    907,543.86x = 1,252,362.98 × 499,566.02
  4. Step 4: Simplify right side
    907,543.86x = 625,637,980,754.30
  5. Step 5: Solve for x
    x = 625,637,980,754.30/907,543.86
  6. Step 6: Final answer
    x = 689,374.93

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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.