Home / 586,886.20-879,017.10-306,075.40

Finding the Fourth Proportional to 586,886.20, 879,017.10 and 306,075.40

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Solution

The fourth proportional to 586,886.20, 879,017.10 and 306,075.40 is: 458,428.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,886.20 : 879,017.10 = 306,075.40 : x
  2. Step 2: Convert to fraction form
    586,886.20/879,017.10 = 306,075.40/x
  3. Step 3: Cross multiply
    586,886.20x = 879,017.10 × 306,075.40
  4. Step 4: Simplify right side
    586,886.20x = 269,045,510,489.34
  5. Step 5: Solve for x
    x = 269,045,510,489.34/586,886.20
  6. Step 6: Final answer
    x = 458,428.76

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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.