Home / 500,300.04-689,947.59-463,145.34

Finding the Fourth Proportional to 500,300.04, 689,947.59 and 463,145.34

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Solution

The fourth proportional to 500,300.04, 689,947.59 and 463,145.34 is: 638,708.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,300.04 : 689,947.59 = 463,145.34 : x
  2. Step 2: Convert to fraction form
    500,300.04/689,947.59 = 463,145.34/x
  3. Step 3: Cross multiply
    500,300.04x = 689,947.59 × 463,145.34
  4. Step 4: Simplify right side
    500,300.04x = 319,546,011,152.73
  5. Step 5: Solve for x
    x = 319,546,011,152.73/500,300.04
  6. Step 6: Final answer
    x = 638,708.75

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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.