Home / 899,148.60-1,240,903.80-517,298.40

Finding the Fourth Proportional to 899,148.60, 1,240,903.80 and 517,298.40

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Solution

The fourth proportional to 899,148.60, 1,240,903.80 and 517,298.40 is: 713,917.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,148.60 : 1,240,903.80 = 517,298.40 : x
  2. Step 2: Convert to fraction form
    899,148.60/1,240,903.80 = 517,298.40/x
  3. Step 3: Cross multiply
    899,148.60x = 1,240,903.80 × 517,298.40
  4. Step 4: Simplify right side
    899,148.60x = 641,917,550,293.92
  5. Step 5: Solve for x
    x = 641,917,550,293.92/899,148.60
  6. Step 6: Final answer
    x = 713,917.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.