Home / 880,296.60-1,320,444.90-459,701.40

Finding the Fourth Proportional to 880,296.60, 1,320,444.90 and 459,701.40

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Solution

The fourth proportional to 880,296.60, 1,320,444.90 and 459,701.40 is: 689,552.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,296.60 : 1,320,444.90 = 459,701.40 : x
  2. Step 2: Convert to fraction form
    880,296.60/1,320,444.90 = 459,701.40/x
  3. Step 3: Cross multiply
    880,296.60x = 1,320,444.90 × 459,701.40
  4. Step 4: Simplify right side
    880,296.60x = 607,010,369,152.86
  5. Step 5: Solve for x
    x = 607,010,369,152.86/880,296.60
  6. Step 6: Final answer
    x = 689,552.10

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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.