Home / 562,582.91-776,358.10-307,931.06

Finding the Fourth Proportional to 562,582.91, 776,358.10 and 307,931.06

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Solution

The fourth proportional to 562,582.91, 776,358.10 and 307,931.06 is: 424,941.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,582.91 : 776,358.10 = 307,931.06 : x
  2. Step 2: Convert to fraction form
    562,582.91/776,358.10 = 307,931.06/x
  3. Step 3: Cross multiply
    562,582.91x = 776,358.10 × 307,931.06
  4. Step 4: Simplify right side
    562,582.91x = 239,064,774,998.40
  5. Step 5: Solve for x
    x = 239,064,774,998.40/562,582.91
  6. Step 6: Final answer
    x = 424,941.41

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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.