Home / 657,582.60-986,082.30-302,705.40

Finding the Fourth Proportional to 657,582.60, 986,082.30 and 302,705.40

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Solution

The fourth proportional to 657,582.60, 986,082.30 and 302,705.40 is: 453,923.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,582.60 : 986,082.30 = 302,705.40 : x
  2. Step 2: Convert to fraction form
    657,582.60/986,082.30 = 302,705.40/x
  3. Step 3: Cross multiply
    657,582.60x = 986,082.30 × 302,705.40
  4. Step 4: Simplify right side
    657,582.60x = 298,492,437,054.42
  5. Step 5: Solve for x
    x = 298,492,437,054.42/657,582.60
  6. Step 6: Final answer
    x = 453,923.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.