Home / 959,417.40-1,440,047.70-486,636.60

Finding the Fourth Proportional to 959,417.40, 1,440,047.70 and 486,636.60

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Solution

The fourth proportional to 959,417.40, 1,440,047.70 and 486,636.60 is: 730,422.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,417.40 : 1,440,047.70 = 486,636.60 : x
  2. Step 2: Convert to fraction form
    959,417.40/1,440,047.70 = 486,636.60/x
  3. Step 3: Cross multiply
    959,417.40x = 1,440,047.70 × 486,636.60
  4. Step 4: Simplify right side
    959,417.40x = 700,779,916,565.82
  5. Step 5: Solve for x
    x = 700,779,916,565.82/959,417.40
  6. Step 6: Final answer
    x = 730,422.35

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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.