Home / 830,005.65-1,245,008.48-830,005.65

Finding the Fourth Proportional to 830,005.65, 1,245,008.48 and 830,005.65

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Solution

The fourth proportional to 830,005.65, 1,245,008.48 and 830,005.65 is: 1,245,008.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,005.65 : 1,245,008.48 = 830,005.65 : x
  2. Step 2: Convert to fraction form
    830,005.65/1,245,008.48 = 830,005.65/x
  3. Step 3: Cross multiply
    830,005.65x = 1,245,008.48 × 830,005.65
  4. Step 4: Simplify right side
    830,005.65x = 1,033,364,068,547.88
  5. Step 5: Solve for x
    x = 1,033,364,068,547.88/830,005.65
  6. Step 6: Final answer
    x = 1,245,008.48

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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.