Home / 841,869.01-1,262,814.45-280,903.51

Finding the Fourth Proportional to 841,869.01, 1,262,814.45 and 280,903.51

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Solution

The fourth proportional to 841,869.01, 1,262,814.45 and 280,903.51 is: 421,358.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,869.01 : 1,262,814.45 = 280,903.51 : x
  2. Step 2: Convert to fraction form
    841,869.01/1,262,814.45 = 280,903.51/x
  3. Step 3: Cross multiply
    841,869.01x = 1,262,814.45 × 280,903.51
  4. Step 4: Simplify right side
    841,869.01x = 354,729,011,483.72
  5. Step 5: Solve for x
    x = 354,729,011,483.72/841,869.01
  6. Step 6: Final answer
    x = 421,358.91

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1.5x scale

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.