Home / 916,547.80-1,373,655.30-442,211.80

Finding the Fourth Proportional to 916,547.80, 1,373,655.30 and 442,211.80

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Solution

The fourth proportional to 916,547.80, 1,373,655.30 and 442,211.80 is: 662,754.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,547.80 : 1,373,655.30 = 442,211.80 : x
  2. Step 2: Convert to fraction form
    916,547.80/1,373,655.30 = 442,211.80/x
  3. Step 3: Cross multiply
    916,547.80x = 1,373,655.30 × 442,211.80
  4. Step 4: Simplify right side
    916,547.80x = 607,446,582,792.54
  5. Step 5: Solve for x
    x = 607,446,582,792.54/916,547.80
  6. Step 6: Final answer
    x = 662,754.94

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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.