Home / 710,308.98-1,065,095.55-260,913.78

Finding the Fourth Proportional to 710,308.98, 1,065,095.55 and 260,913.78

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Solution

The fourth proportional to 710,308.98, 1,065,095.55 and 260,913.78 is: 391,235.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,308.98 : 1,065,095.55 = 260,913.78 : x
  2. Step 2: Convert to fraction form
    710,308.98/1,065,095.55 = 260,913.78/x
  3. Step 3: Cross multiply
    710,308.98x = 1,065,095.55 × 260,913.78
  4. Step 4: Simplify right side
    710,308.98x = 277,898,106,011.68
  5. Step 5: Solve for x
    x = 277,898,106,011.68/710,308.98
  6. Step 6: Final answer
    x = 391,235.52

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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.