Home / 983,902.40-1,475,421.60-451,246.40

Finding the Fourth Proportional to 983,902.40, 1,475,421.60 and 451,246.40

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Solution

The fourth proportional to 983,902.40, 1,475,421.60 and 451,246.40 is: 676,671.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,902.40 : 1,475,421.60 = 451,246.40 : x
  2. Step 2: Convert to fraction form
    983,902.40/1,475,421.60 = 451,246.40/x
  3. Step 3: Cross multiply
    983,902.40x = 1,475,421.60 × 451,246.40
  4. Step 4: Simplify right side
    983,902.40x = 665,778,685,482.24
  5. Step 5: Solve for x
    x = 665,778,685,482.24/983,902.40
  6. Step 6: Final answer
    x = 676,671.47

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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.