Home / 762,522.09-1,051,417.60-486,510.54

Finding the Fourth Proportional to 762,522.09, 1,051,417.60 and 486,510.54

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Solution

The fourth proportional to 762,522.09, 1,051,417.60 and 486,510.54 is: 670,834.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,522.09 : 1,051,417.60 = 486,510.54 : x
  2. Step 2: Convert to fraction form
    762,522.09/1,051,417.60 = 486,510.54/x
  3. Step 3: Cross multiply
    762,522.09x = 1,051,417.60 × 486,510.54
  4. Step 4: Simplify right side
    762,522.09x = 511,525,744,341.50
  5. Step 5: Solve for x
    x = 511,525,744,341.50/762,522.09
  6. Step 6: Final answer
    x = 670,834.00

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.