Home / 966,421.35-1,333,624.95-536,729.16

Finding the Fourth Proportional to 966,421.35, 1,333,624.95 and 536,729.16

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Solution

The fourth proportional to 966,421.35, 1,333,624.95 and 536,729.16 is: 740,665.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,421.35 : 1,333,624.95 = 536,729.16 : x
  2. Step 2: Convert to fraction form
    966,421.35/1,333,624.95 = 536,729.16/x
  3. Step 3: Cross multiply
    966,421.35x = 1,333,624.95 × 536,729.16
  4. Step 4: Simplify right side
    966,421.35x = 715,795,395,158.45
  5. Step 5: Solve for x
    x = 715,795,395,158.45/966,421.35
  6. Step 6: Final answer
    x = 740,665.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.