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Finding the Fourth Proportional to 971,903.70, 1,457,337.15 and 410,303.70

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Solution

The fourth proportional to 971,903.70, 1,457,337.15 and 410,303.70 is: 615,236.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,903.70 : 1,457,337.15 = 410,303.70 : x
  2. Step 2: Convert to fraction form
    971,903.70/1,457,337.15 = 410,303.70/x
  3. Step 3: Cross multiply
    971,903.70x = 1,457,337.15 × 410,303.70
  4. Step 4: Simplify right side
    971,903.70x = 597,950,824,792.46
  5. Step 5: Solve for x
    x = 597,950,824,792.46/971,903.70
  6. Step 6: Final answer
    x = 615,236.70

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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.