Home / 583,302.20-804,957.12-315,030.20

Finding the Fourth Proportional to 583,302.20, 804,957.12 and 315,030.20

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Solution

The fourth proportional to 583,302.20, 804,957.12 and 315,030.20 is: 434,741.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,302.20 : 804,957.12 = 315,030.20 : x
  2. Step 2: Convert to fraction form
    583,302.20/804,957.12 = 315,030.20/x
  3. Step 3: Cross multiply
    583,302.20x = 804,957.12 × 315,030.20
  4. Step 4: Simplify right side
    583,302.20x = 253,585,802,505.02
  5. Step 5: Solve for x
    x = 253,585,802,505.02/583,302.20
  6. Step 6: Final answer
    x = 434,741.72

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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.