Home / 854,570.90-1,281,856.35-355,870.10

Finding the Fourth Proportional to 854,570.90, 1,281,856.35 and 355,870.10

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Solution

The fourth proportional to 854,570.90, 1,281,856.35 and 355,870.10 is: 533,805.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,570.90 : 1,281,856.35 = 355,870.10 : x
  2. Step 2: Convert to fraction form
    854,570.90/1,281,856.35 = 355,870.10/x
  3. Step 3: Cross multiply
    854,570.90x = 1,281,856.35 × 355,870.10
  4. Step 4: Simplify right side
    854,570.90x = 456,174,347,460.14
  5. Step 5: Solve for x
    x = 456,174,347,460.14/854,570.90
  6. Step 6: Final answer
    x = 533,805.15

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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.