Home / 684,027.40-1,026,041.10-310,779.40

Finding the Fourth Proportional to 684,027.40, 1,026,041.10 and 310,779.40

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Solution

The fourth proportional to 684,027.40, 1,026,041.10 and 310,779.40 is: 466,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,027.40 : 1,026,041.10 = 310,779.40 : x
  2. Step 2: Convert to fraction form
    684,027.40/1,026,041.10 = 310,779.40/x
  3. Step 3: Cross multiply
    684,027.40x = 1,026,041.10 × 310,779.40
  4. Step 4: Simplify right side
    684,027.40x = 318,872,437,433.34
  5. Step 5: Solve for x
    x = 318,872,437,433.34/684,027.40
  6. Step 6: Final answer
    x = 466,169.10

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Double scale
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Similar ratio
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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.