Home / 867,082.84-1,301,038.98-306,381.40

Finding the Fourth Proportional to 867,082.84, 1,301,038.98 and 306,381.40

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Solution

The fourth proportional to 867,082.84, 1,301,038.98 and 306,381.40 is: 459,718.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,082.84 : 1,301,038.98 = 306,381.40 : x
  2. Step 2: Convert to fraction form
    867,082.84/1,301,038.98 = 306,381.40/x
  3. Step 3: Cross multiply
    867,082.84x = 1,301,038.98 × 306,381.40
  4. Step 4: Simplify right side
    867,082.84x = 398,614,144,146.97
  5. Step 5: Solve for x
    x = 398,614,144,146.97/867,082.84
  6. Step 6: Final answer
    x = 459,718.64

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1.5x scale

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.