Home / 526,518.40-789,547.20-210,870.40

Finding the Fourth Proportional to 526,518.40, 789,547.20 and 210,870.40

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Solution

The fourth proportional to 526,518.40, 789,547.20 and 210,870.40 is: 316,213.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,518.40 : 789,547.20 = 210,870.40 : x
  2. Step 2: Convert to fraction form
    526,518.40/789,547.20 = 210,870.40/x
  3. Step 3: Cross multiply
    526,518.40x = 789,547.20 × 210,870.40
  4. Step 4: Simplify right side
    526,518.40x = 166,492,133,882.88
  5. Step 5: Solve for x
    x = 166,492,133,882.88/526,518.40
  6. Step 6: Final answer
    x = 316,213.32

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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.