Home / 712,526.08-983,292.56-486,166.72

Finding the Fourth Proportional to 712,526.08, 983,292.56 and 486,166.72

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Solution

The fourth proportional to 712,526.08, 983,292.56 and 486,166.72 is: 670,914.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,526.08 : 983,292.56 = 486,166.72 : x
  2. Step 2: Convert to fraction form
    712,526.08/983,292.56 = 486,166.72/x
  3. Step 3: Cross multiply
    712,526.08x = 983,292.56 × 486,166.72
  4. Step 4: Simplify right side
    712,526.08x = 478,044,118,695.60
  5. Step 5: Solve for x
    x = 478,044,118,695.60/712,526.08
  6. Step 6: Final answer
    x = 670,914.56

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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.