Home / 788,901.40-1,183,352.10-655,931.80

Finding the Fourth Proportional to 788,901.40, 1,183,352.10 and 655,931.80

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Solution

The fourth proportional to 788,901.40, 1,183,352.10 and 655,931.80 is: 983,897.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,901.40 : 1,183,352.10 = 655,931.80 : x
  2. Step 2: Convert to fraction form
    788,901.40/1,183,352.10 = 655,931.80/x
  3. Step 3: Cross multiply
    788,901.40x = 1,183,352.10 × 655,931.80
  4. Step 4: Simplify right side
    788,901.40x = 776,198,272,986.78
  5. Step 5: Solve for x
    x = 776,198,272,986.78/788,901.40
  6. Step 6: Final answer
    x = 983,897.70

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Double scale
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Similar ratio
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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.