Home / 887,700.70-1,330,457.55-603,390.70

Finding the Fourth Proportional to 887,700.70, 1,330,457.55 and 603,390.70

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Solution

The fourth proportional to 887,700.70, 1,330,457.55 and 603,390.70 is: 904,342.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,700.70 : 1,330,457.55 = 603,390.70 : x
  2. Step 2: Convert to fraction form
    887,700.70/1,330,457.55 = 603,390.70/x
  3. Step 3: Cross multiply
    887,700.70x = 1,330,457.55 × 603,390.70
  4. Step 4: Simplify right side
    887,700.70x = 802,785,712,414.79
  5. Step 5: Solve for x
    x = 802,785,712,414.79/887,700.70
  6. Step 6: Final answer
    x = 904,342.77

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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.