Home / 989,466.12-1,365,487.74-607,275.72

Finding the Fourth Proportional to 989,466.12, 1,365,487.74 and 607,275.72

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Solution

The fourth proportional to 989,466.12, 1,365,487.74 and 607,275.72 is: 838,055.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,466.12 : 1,365,487.74 = 607,275.72 : x
  2. Step 2: Convert to fraction form
    989,466.12/1,365,487.74 = 607,275.72/x
  3. Step 3: Cross multiply
    989,466.12x = 1,365,487.74 × 607,275.72
  4. Step 4: Simplify right side
    989,466.12x = 829,227,550,459.67
  5. Step 5: Solve for x
    x = 829,227,550,459.67/989,466.12
  6. Step 6: Final answer
    x = 838,055.53

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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.