Home / 748,526.16-1,033,423.68-487,130.48

Finding the Fourth Proportional to 748,526.16, 1,033,423.68 and 487,130.48

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Solution

The fourth proportional to 748,526.16, 1,033,423.68 and 487,130.48 is: 672,537.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,526.16 : 1,033,423.68 = 487,130.48 : x
  2. Step 2: Convert to fraction form
    748,526.16/1,033,423.68 = 487,130.48/x
  3. Step 3: Cross multiply
    748,526.16x = 1,033,423.68 × 487,130.48
  4. Step 4: Simplify right side
    748,526.16x = 503,412,173,281.77
  5. Step 5: Solve for x
    x = 503,412,173,281.77/748,526.16
  6. Step 6: Final answer
    x = 672,537.85

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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.