Home / 583,283.60-804,931.20-315,011.60

Finding the Fourth Proportional to 583,283.60, 804,931.20 and 315,011.60

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Solution

The fourth proportional to 583,283.60, 804,931.20 and 315,011.60 is: 434,715.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,283.60 : 804,931.20 = 315,011.60 : x
  2. Step 2: Convert to fraction form
    583,283.60/804,931.20 = 315,011.60/x
  3. Step 3: Cross multiply
    583,283.60x = 804,931.20 × 315,011.60
  4. Step 4: Simplify right side
    583,283.60x = 253,562,665,201.92
  5. Step 5: Solve for x
    x = 253,562,665,201.92/583,283.60
  6. Step 6: Final answer
    x = 434,715.92

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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.