Home / 875,246.40-1,312,869.60-560,059.20

Finding the Fourth Proportional to 875,246.40, 1,312,869.60 and 560,059.20

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Solution

The fourth proportional to 875,246.40, 1,312,869.60 and 560,059.20 is: 840,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,246.40 : 1,312,869.60 = 560,059.20 : x
  2. Step 2: Convert to fraction form
    875,246.40/1,312,869.60 = 560,059.20/x
  3. Step 3: Cross multiply
    875,246.40x = 1,312,869.60 × 560,059.20
  4. Step 4: Simplify right side
    875,246.40x = 735,284,697,880.32
  5. Step 5: Solve for x
    x = 735,284,697,880.32/875,246.40
  6. Step 6: Final answer
    x = 840,088.80

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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.