Home / 877,526.40-1,316,289.60-498,300.60

Finding the Fourth Proportional to 877,526.40, 1,316,289.60 and 498,300.60

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Solution

The fourth proportional to 877,526.40, 1,316,289.60 and 498,300.60 is: 747,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,526.40 : 1,316,289.60 = 498,300.60 : x
  2. Step 2: Convert to fraction form
    877,526.40/1,316,289.60 = 498,300.60/x
  3. Step 3: Cross multiply
    877,526.40x = 1,316,289.60 × 498,300.60
  4. Step 4: Simplify right side
    877,526.40x = 655,907,897,453.76
  5. Step 5: Solve for x
    x = 655,907,897,453.76/877,526.40
  6. Step 6: Final answer
    x = 747,450.90

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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.