Home / 920,527.63-1,270,292.70-512,646.67

Finding the Fourth Proportional to 920,527.63, 1,270,292.70 and 512,646.67

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Solution

The fourth proportional to 920,527.63, 1,270,292.70 and 512,646.67 is: 707,432.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,527.63 : 1,270,292.70 = 512,646.67 : x
  2. Step 2: Convert to fraction form
    920,527.63/1,270,292.70 = 512,646.67/x
  3. Step 3: Cross multiply
    920,527.63x = 1,270,292.70 × 512,646.67
  4. Step 4: Simplify right side
    920,527.63x = 651,211,316,228.85
  5. Step 5: Solve for x
    x = 651,211,316,228.85/920,527.63
  6. Step 6: Final answer
    x = 707,432.67

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Double scale
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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.