Home / 788,038.92-1,087,535.70-448,616.52

Finding the Fourth Proportional to 788,038.92, 1,087,535.70 and 448,616.52

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Solution

The fourth proportional to 788,038.92, 1,087,535.70 and 448,616.52 is: 619,114.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,038.92 : 1,087,535.70 = 448,616.52 : x
  2. Step 2: Convert to fraction form
    788,038.92/1,087,535.70 = 448,616.52/x
  3. Step 3: Cross multiply
    788,038.92x = 1,087,535.70 × 448,616.52
  4. Step 4: Simplify right side
    788,038.92x = 487,886,481,109.76
  5. Step 5: Solve for x
    x = 487,886,481,109.76/788,038.92
  6. Step 6: Final answer
    x = 619,114.70

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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.