Home / 867,031.70-1,300,547.55-657,079.70

Finding the Fourth Proportional to 867,031.70, 1,300,547.55 and 657,079.70

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Solution

The fourth proportional to 867,031.70, 1,300,547.55 and 657,079.70 is: 985,619.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,031.70 : 1,300,547.55 = 657,079.70 : x
  2. Step 2: Convert to fraction form
    867,031.70/1,300,547.55 = 657,079.70/x
  3. Step 3: Cross multiply
    867,031.70x = 1,300,547.55 × 657,079.70
  4. Step 4: Simplify right side
    867,031.70x = 854,563,393,989.74
  5. Step 5: Solve for x
    x = 854,563,393,989.74/867,031.70
  6. Step 6: Final answer
    x = 985,619.55

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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.