Home / 583,283.20-804,930.90-315,011.20

Finding the Fourth Proportional to 583,283.20, 804,930.90 and 315,011.20

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Solution

The fourth proportional to 583,283.20, 804,930.90 and 315,011.20 is: 434,715.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,283.20 : 804,930.90 = 315,011.20 : x
  2. Step 2: Convert to fraction form
    583,283.20/804,930.90 = 315,011.20/x
  3. Step 3: Cross multiply
    583,283.20x = 804,930.90 × 315,011.20
  4. Step 4: Simplify right side
    583,283.20x = 253,562,248,726.08
  5. Step 5: Solve for x
    x = 253,562,248,726.08/583,283.20
  6. Step 6: Final answer
    x = 434,715.50

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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.